ti: omap4: remove CONFIG_SPL_EXT_SUPPORT from ti_omap4_common.h since it is now in ti_armv7_common.h

Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ti_omap4_common.h b/include/configs/ti_omap4_common.h
index 6c33804..ef5a69d 100644
--- a/include/configs/ti_omap4_common.h
+++ b/include/configs/ti_omap4_common.h
@@ -166,9 +166,6 @@
 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
 					 (128 << 20))
 
-/* SPL: Allow to use an EXT partition */
-#define CONFIG_SPL_EXT_SUPPORT
-
 #ifdef CONFIG_NAND
 #define CONFIG_SPL_NAND_AM33XX_BCH	/* ELM support */
 #endif