staging: mt7621-pci: remove unused preprocessor definitions

There are some preprocessor definition which are not being used at
all. Remove them cleaning the code a bit.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-pci/pci-mt7621.c

@@ -43,10 +43,6 @@
 #define CHIP_REV_MT7621_E2		0x0101
 
 /* pcie */
-#define RALINK_PCIE0_CLK_EN		BIT(24)
-#define RALINK_PCIE1_CLK_EN		BIT(25)
-#define RALINK_PCIE2_CLK_EN		BIT(26)
-
 #define RALINK_PCI_CONFIG_ADDR		0x20
 #define RALINK_PCI_CONFIG_DATA		0x24
 #define RALINK_PCI_MEMBASE		0x28
@@ -54,9 +50,6 @@
 
 /* RALINK_RSTCTRL bits */
 #define RALINK_PCIE_RST			BIT(23)
-#define RALINK_PCIE0_RST		BIT(24)
-#define RALINK_PCIE1_RST		BIT(25)
-#define RALINK_PCIE2_RST		BIT(26)
 
 #define RALINK_PCI_PCICFG_ADDR		0x0000
 #define RALINK_PCI_PCIMSK_ADDR		0x000C
@@ -79,12 +72,10 @@
 #define RALINK_PCI_SUBID		0x0038
 #define RALINK_PCI_STATUS		0x0050
 
-#define RALINK_PCI_MM_MAP_BASE		0x60000000
 #define RALINK_PCI_IO_MAP_BASE		0x1e160000
 
 #define RALINK_CLKCFG1			0x30
 #define RALINK_RSTCTRL			0x34
-#define RALINK_GPIOMODE			0x60
 #define RALINK_PCIE_CLK_GEN		0x7c
 #define RALINK_PCIE_CLK_GEN1		0x80