arm: ti814x: Remove remaining support code

When the ti814x_evm config was removed most, but not all, of the
relevant support code was remove.  Get rid of what was missed.

Fixes: 50b532686849 ("ti814x: Remove platform")
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/include/asm/arch-am33xx/spl.h b/arch/arm/include/asm/arch-am33xx/spl.h
index f3910c2..6bd3ca0 100644
--- a/arch/arm/include/asm/arch-am33xx/spl.h
+++ b/arch/arm/include/asm/arch-am33xx/spl.h
@@ -9,21 +9,7 @@
 #define BOOT_DEVICE_NONE	0x00
 #define BOOT_DEVICE_MMC2_2	0xFF
 
-#if defined(CONFIG_TI814X)
-#define BOOT_DEVICE_XIP		0x01
-#define BOOT_DEVICE_XIPWAIT	0x02
-#define BOOT_DEVICE_NAND	0x05
-#define BOOT_DEVICE_NAND_I2C	0x06
-#define BOOT_DEVICE_MMC2	0x08 /* ROM only supports 2nd instance. */
-#define BOOT_DEVICE_MMC1	0x09
-#define BOOT_DEVICE_SPI		0x15
-#define BOOT_DEVICE_UART	0x41
-#define BOOT_DEVICE_USBETH	0x44
-#define BOOT_DEVICE_CPGMAC	0x46
-
-#define MMC_BOOT_DEVICES_START	BOOT_DEVICE_MMC2
-#define MMC_BOOT_DEVICES_END	BOOT_DEVICE_MMC1
-#elif defined(CONFIG_TI816X)
+#if defined(CONFIG_TI816X)
 #define BOOT_DEVICE_XIP		0x01
 #define BOOT_DEVICE_XIPWAIT	0x02
 #define BOOT_DEVICE_NAND	0x03