pcmcia: remove Motorola MBX860 support

The CONFIG_MBX symbol is not defined anywhere in the kernel tree, which means
this platform is not supported by the Linux kernel and we can remove the
corresponding code from the 'm8xx_pcmcia' driver.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: linux-pcmcia@lists.infradead.org
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/pcmcia/m8xx_pcmcia.c

@@ -419,65 +419,6 @@ static inline int voltage_set(int slot, int vcc, int vpp)
 
 #endif
 
-/* ------------------------------------------------------------------------- */
-/* Motorola MBX860                                                           */
-
-#if defined(CONFIG_MBX)
-
-#define PCMCIA_BOARD_MSG "MBX"
-
-static int voltage_set(int slot, int vcc, int vpp)
-{
-	u8 reg = 0;
-
-	switch (vcc) {
-	case 0:
-		break;
-	case 33:
-		reg |= CSR2_VCC_33;
-		break;
-	case 50:
-		reg |= CSR2_VCC_50;
-		break;
-	default:
-		return 1;
-	}
-
-	switch (vpp) {
-	case 0:
-		break;
-	case 33:
-	case 50:
-		if (vcc == vpp)
-			reg |= CSR2_VPP_VCC;
-		else
-			return 1;
-		break;
-	case 120:
-		if ((vcc == 33) || (vcc == 50))
-			reg |= CSR2_VPP_12;
-		else
-			return 1;
-	default:
-		return 1;
-	}
-
-	/* first, turn off all power */
-	out_8((u8 *) MBX_CSR2_ADDR,
-	      in_8((u8 *) MBX_CSR2_ADDR) & ~(CSR2_VCC_MASK | CSR2_VPP_MASK));
-
-	/* enable new powersettings */
-	out_8((u8 *) MBX_CSR2_ADDR, in_8((u8 *) MBX_CSR2_ADDR) | reg);
-
-	return 0;
-}
-
-#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V
-#define hardware_enable(_slot_)	/* No hardware to enable */
-#define hardware_disable(_slot_)	/* No hardware to disable */
-
-#endif				/* CONFIG_MBX */
-
 #if defined(CONFIG_PRxK)
 #include <asm/cpld.h>
 extern volatile fpga_pc_regs *fpga_pc;