exynos: config: Move common options to the common headers and tidy up

Many options are duplicated on the exynos5 boards. Move these to the common
files. Also some options are not used so can be removed.

Tidy this up to make the files easier to maintain.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
diff --git a/include/configs/peach-pi.h b/include/configs/peach-pi.h
index 46699ff..b97faf2 100644
--- a/include/configs/peach-pi.h
+++ b/include/configs/peach-pi.h
@@ -9,12 +9,6 @@
 #ifndef __CONFIG_PEACH_PI_H
 #define __CONFIG_PEACH_PI_H
 
-#define CONFIG_ENV_IS_IN_SPI_FLASH
-#define CONFIG_ENV_SPI_BASE	0x12D30000
-#define FLASH_SIZE		(0x4 << 20)
-#define CONFIG_ENV_OFFSET	(FLASH_SIZE - CONFIG_BL2_SIZE)
-#define CONFIG_SPI_BOOTING
-
 #define MEM_LAYOUT_ENV_SETTINGS \
 	"bootm_size=0x10000000\0" \
 	"kernel_addr_r=0x22000000\0" \
@@ -25,8 +19,7 @@
 
 #include <configs/exynos5420-common.h>
 #include <configs/exynos5-dt-common.h>
-
-#define CONFIG_BOARD_COMMON
+#include <configs/exynos5-common.h>
 
 #define CONFIG_SYS_SDRAM_BASE	0x20000000
 #define CONFIG_SYS_TEXT_BASE	0x23E00000
@@ -51,9 +44,6 @@
 
 #define CONFIG_POWER_TPS65090_EC
 
-#define CONFIG_USB_XHCI
-#define CONFIG_USB_XHCI_EXYNOS
-
 /* DRAM Memory Banks */
 #define CONFIG_NR_DRAM_BANKS	7
 #define SDRAM_BANK_SIZE		(512UL << 20UL)	/* 512 MB */