mx6: remove duplicated BOUNCE_BUFFER defines

The mx6_common.h file already defines BOUNCE_BUFFER so no need to
definit it again in specific configs.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Acked-by: Lukasz Majewski <lukma@denx.de>
diff --git a/include/configs/advantech_dms-ba16.h b/include/configs/advantech_dms-ba16.h
index a6e9919..8e33d38 100644
--- a/include/configs/advantech_dms-ba16.h
+++ b/include/configs/advantech_dms-ba16.h
@@ -45,7 +45,6 @@
 /* MMC Configs */
 #define CONFIG_FSL_USDHC
 #define CONFIG_SYS_FSL_ESDHC_ADDR      0
-#define CONFIG_BOUNCE_BUFFER
 
 /* USB Configs */
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 2
diff --git a/include/configs/apalis_imx6.h b/include/configs/apalis_imx6.h
index 00255c8..7225c03 100644
--- a/include/configs/apalis_imx6.h
+++ b/include/configs/apalis_imx6.h
@@ -56,7 +56,6 @@
 #define CONFIG_SYS_FSL_USDHC_NUM	3
 
 #define CONFIG_SUPPORT_EMMC_BOOT	/* eMMC specific */
-#define CONFIG_BOUNCE_BUFFER
 
 /*
  * SATA Configs
diff --git a/include/configs/colibri_imx6.h b/include/configs/colibri_imx6.h
index 49ec0bf..7e3463e 100644
--- a/include/configs/colibri_imx6.h
+++ b/include/configs/colibri_imx6.h
@@ -54,7 +54,6 @@
 #define CONFIG_SYS_FSL_USDHC_NUM	2
 
 #define CONFIG_SUPPORT_EMMC_BOOT	/* eMMC specific */
-#define CONFIG_BOUNCE_BUFFER
 
 /* Network */
 #define CONFIG_FEC_MXC
diff --git a/include/configs/dh_imx6.h b/include/configs/dh_imx6.h
index 24b3516..3e0ac15 100644
--- a/include/configs/dh_imx6.h
+++ b/include/configs/dh_imx6.h
@@ -33,7 +33,6 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_REVISION_TAG
 
-#define CONFIG_BOUNCE_BUFFER
 #define CONFIG_BZIP2
 
 /* Size of malloc() pool */
diff --git a/include/configs/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index 058e572..1b947db 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -50,7 +50,6 @@
 /* MMC Configs */
 #define CONFIG_FSL_USDHC
 #define CONFIG_SYS_FSL_ESDHC_ADDR      0
-#define CONFIG_BOUNCE_BUFFER
 
 /* USB Configs */
 #ifdef CONFIG_USB
diff --git a/include/configs/kp_imx6q_tpc.h b/include/configs/kp_imx6q_tpc.h
index d243fc6..bf3cc17 100644
--- a/include/configs/kp_imx6q_tpc.h
+++ b/include/configs/kp_imx6q_tpc.h
@@ -21,8 +21,6 @@
 #define CONFIG_INITRD_TAG
 #define CONFIG_REVISION_TAG
 
-#define CONFIG_BOUNCE_BUFFER
-
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(4 * SZ_1M)