staging: wilc1000: remove os_context

This patch removes variable os_context of wilc_sdio_t and wilc_spi_t because
os_context is not used, and delete it's related code.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_sdio.c

@@ -15,7 +15,6 @@
 #define WILC_SDIO_BLOCK_SIZE 512
 
 typedef struct {
-	void *os_context;
 	u32 block_size;
 	wilc_debug_func dPrint;
 	int nint;
@@ -560,7 +559,6 @@ static int sdio_init(wilc_wlan_inp_t *inp, wilc_debug_func func)
 	memset(&g_sdio, 0, sizeof(wilc_sdio_t));
 
 	g_sdio.dPrint = func;
-	g_sdio.os_context = inp->os_context.os_private;
 
 	if (!linux_sdio_init()) {
 		g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed io init bus...\n");

drivers/staging/wilc1000/wilc_spi.c

@@ -13,7 +13,6 @@
 #include "linux_wlan_spi.h"
 
 typedef struct {
-	void *os_context;
 	wilc_debug_func dPrint;
 	int crc_off;
 	int nint;
@@ -965,7 +964,6 @@ static int wilc_spi_init(wilc_wlan_inp_t *inp, wilc_debug_func func)
 	memset(&g_spi, 0, sizeof(wilc_spi_t));
 
 	g_spi.dPrint = func;
-	g_spi.os_context = inp->os_context.os_private;
 	if (!linux_spi_init()) {
 		PRINT_ER("[wilc spi]: Failed io init bus...\n");
 		return 0;