am33xx: CONFIG_DMA_COHERENT defines are unused, remove

Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/include/configs/igep0033.h b/include/configs/igep0033.h
index 18be38a..2ee1367 100644
--- a/include/configs/igep0033.h
+++ b/include/configs/igep0033.h
@@ -28,10 +28,6 @@
 #define V_OSCK				24000000  /* Clock output from T2 */
 #define V_SCLK				(V_OSCK)
 
-/* DMA defines */
-#define CONFIG_DMA_COHERENT
-#define CONFIG_DMA_COHERENT_SIZE	(1 << 20)
-
 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
 #define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
diff --git a/include/configs/pcm051.h b/include/configs/pcm051.h
index 07af32b..a3f8ead 100644
--- a/include/configs/pcm051.h
+++ b/include/configs/pcm051.h
@@ -25,9 +25,6 @@
 
 #include <asm/arch/omap.h>
 
-#define CONFIG_DMA_COHERENT
-#define CONFIG_DMA_COHERENT_SIZE	(1 << 20)
-
 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
 #define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
diff --git a/include/configs/ti814x_evm.h b/include/configs/ti814x_evm.h
index c31f4d8..42d113d 100644
--- a/include/configs/ti814x_evm.h
+++ b/include/configs/ti814x_evm.h
@@ -24,9 +24,6 @@
 
 #include <asm/arch/omap.h>
 
-#define CONFIG_DMA_COHERENT
-#define CONFIG_DMA_COHERENT_SIZE	(1 << 20)
-
 #define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
 #define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */