staging: fbtft: Make some s16 arrays const

Using const reduces data size.

$ size drivers/staging/fbtft/built-in.o*
   text	   data	    bss	    dec	    hex	filename
  89909	  41584	   2928	 134421	  20d15	drivers/staging/fbtft/built-in.o.new
  88053	  43392	   2928	 134373	  20ce5	drivers/staging/fbtft/built-in.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fb_ili9481.c

@@ -27,7 +27,7 @@
 #define WIDTH		320
 #define HEIGHT		480
 
-static s16 default_init_sequence[] = {
+static const s16 default_init_sequence[] = {
 	/* SLP_OUT - Sleep out */
 	-1, MIPI_DCS_EXIT_SLEEP_MODE,
 	-2, 50,

drivers/staging/fbtft/fb_ili9486.c

@@ -26,7 +26,7 @@
 #define HEIGHT		480
 
 /* this init sequence matches PiScreen */
-static s16 default_init_sequence[] = {
+static const s16 default_init_sequence[] = {
 	/* Interface Mode Control */
 	-1, 0xb0, 0x0,
 	-1, MIPI_DCS_EXIT_SLEEP_MODE,

drivers/staging/fbtft/fb_s6d02a1.c

@@ -24,7 +24,7 @@
 
 #define DRVNAME "fb_s6d02a1"
 
-static s16 default_init_sequence[] = {
+static const s16 default_init_sequence[] = {
 
 	-1, 0xf0, 0x5a, 0x5a,
 

drivers/staging/fbtft/fb_st7735r.c

@@ -25,7 +25,7 @@
 #define DEFAULT_GAMMA   "0F 1A 0F 18 2F 28 20 22 1F 1B 23 37 00 07 02 10\n" \
 			"0F 1B 0F 17 33 2C 29 2E 30 30 39 3F 00 07 03 10"
 
-static s16 default_init_sequence[] = {
+static const s16 default_init_sequence[] = {
 	-1, MIPI_DCS_SOFT_RESET,
 	-2, 150,                               /* delay */
 

drivers/staging/fbtft/fbtft_device.c

@@ -131,7 +131,7 @@ static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
 		"D0 00 14 15 13 2C 42 43 4E 09 16 14 18 21\n" \
 		"D0 00 14 15 13 0B 43 55 53 0C 17 14 23 20"
 
-static s16 cberry28_init_sequence[] = {
+static const s16 cberry28_init_sequence[] = {
 	/* turn off sleep mode */
 	-1, MIPI_DCS_EXIT_SLEEP_MODE,
 	-2, 120,
@@ -180,7 +180,7 @@ static s16 cberry28_init_sequence[] = {
 	-3,
 };
 
-static s16 hy28b_init_sequence[] = {
+static const s16 hy28b_init_sequence[] = {
 	-1, 0x00e7, 0x0010, -1, 0x0000, 0x0001,
 	-1, 0x0001, 0x0100, -1, 0x0002, 0x0700,
 	-1, 0x0003, 0x1030, -1, 0x0004, 0x0000,
@@ -211,7 +211,7 @@ static s16 hy28b_init_sequence[] = {
 	"04 1F 4 7 7 0 7 7 6 0\n" \
 	"0F 00 1 7 4 0 0 0 6 7"
 
-static s16 pitft_init_sequence[] = {
+static const s16 pitft_init_sequence[] = {
 	-1, MIPI_DCS_SOFT_RESET,
 	-2, 5,
 	-1, MIPI_DCS_SET_DISPLAY_OFF,
@@ -242,7 +242,7 @@ static s16 pitft_init_sequence[] = {
 	-3
 };
 
-static s16 waveshare32b_init_sequence[] = {
+static const s16 waveshare32b_init_sequence[] = {
 	-1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02,
 	-1, 0xCF, 0x00, 0xC1, 0x30,
 	-1, 0xE8, 0x85, 0x00, 0x78,

drivers/staging/fbtft/flexfb.c

@@ -67,7 +67,7 @@ static const s16 *initp;
 static int initp_num;
 
 /* default init sequences */
-static s16 st7735r_init[] = {
+static const s16 st7735r_init[] = {
 	-1, 0x01,
 	-2, 150,
 	-1, 0x11,
@@ -96,7 +96,7 @@ static s16 st7735r_init[] = {
 	-3
 };
 
-static s16 ssd1289_init[] = {
+static const s16 ssd1289_init[] = {
 	-1, 0x00, 0x0001,
 	-1, 0x03, 0xA8A4,
 	-1, 0x0C, 0x0000,
@@ -142,7 +142,7 @@ static s16 ssd1289_init[] = {
 	-3
 };
 
-static s16 hx8340bn_init[] = {
+static const s16 hx8340bn_init[] = {
 	-1, 0xC1, 0xFF, 0x83, 0x40,
 	-1, 0x11,
 	-2, 150,
@@ -162,7 +162,7 @@ static s16 hx8340bn_init[] = {
 	-3
 };
 
-static s16 ili9225_init[] = {
+static const s16 ili9225_init[] = {
 	-1, 0x0001, 0x011C,
 	-1, 0x0002, 0x0100,
 	-1, 0x0003, 0x1030,
@@ -204,7 +204,7 @@ static s16 ili9225_init[] = {
 	-3
 };
 
-static s16 ili9320_init[] = {
+static const s16 ili9320_init[] = {
 	-1, 0x00E5, 0x8000,
 	-1, 0x0000, 0x0001,
 	-1, 0x0001, 0x0100,
@@ -265,7 +265,7 @@ static s16 ili9320_init[] = {
 	-3
 };
 
-static s16 ili9325_init[] = {
+static const s16 ili9325_init[] = {
 	-1, 0x00E3, 0x3008,
 	-1, 0x00E7, 0x0012,
 	-1, 0x00EF, 0x1231,
@@ -324,7 +324,7 @@ static s16 ili9325_init[] = {
 	-3
 };
 
-static s16 ili9341_init[] = {
+static const s16 ili9341_init[] = {
 	-1, 0x28,
 	-2, 20,
 	-1, 0xCF, 0x00, 0x83, 0x30,
@@ -349,7 +349,7 @@ static s16 ili9341_init[] = {
 	-3
 };
 
-static s16 ssd1351_init[] = {
+static const s16 ssd1351_init[] = {
 	-1, 0xfd, 0x12,
 	-1, 0xfd, 0xb1,
 	-1, 0xae,