siemens,am33x: adjust mtd partition

Use one mtd partition for rootfs and configuration by
means of ubi volumes and get rid of configuration partition.
We can use partition layout for both 256MB and 512MB flash.
Signed-off-by: NSamuel Egli <samuel.egli@siemens.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Roger Meier <r.meier@siemens.com>
Reviewed-by: NTom Rini <trini@konsulko.com>
Acked-by: NHeiko Schocher <hs@denx.de>

include/configs/siemens-am33x-common.h

@@ -480,7 +480,7 @@
 
 /*
  * Variant 2 partition layout
- * chip-size = 256MiB
+ * chip-size = 256MiB or 512 MiB
  *|         name |        size |           address area |
  *-------------------------------------------------------
  *|          spl | 128.000 KiB | 0x       0..0x   1ffff |
@@ -490,23 +490,23 @@
  *|       u-boot |   1.875 MiB | 0x   80000..0x  25ffff |
  *|   uboot.env0 | 512.000 KiB | 0x  260000..0x  2Dffff |
  *|   uboot.env1 | 512.000 KiB | 0x  2E0000..0x  35ffff |
- *|       rootfs | 148.000 MiB | 0x  360000..0x 975ffff |
- *|      mtdoops | 512.000 KiB | 0x 9760000..0x 98Dffff |
- *|configuration | 104.125 MiB | 0x 97E0000..0x fffffff |
+ *|      mtdoops | 512.000 KiB | 0x  360000..0x  3dffff |
+ *| (256) rootfs | 252.125 MiB | 0x  3E0000..0x fffffff |
+ *| (512) rootfs | 508.125 MiB | 0x  3E0000..0x1fffffff |
  *-------------------------------------------------------
  */
 
 #define MTDPARTS_DEFAULT_V2	"mtdparts=" MTDIDS_NAME_STR ":" \
-					"128k(spl),"		\
-					"128k(spl.backup1),"	\
-					"128k(spl.backup2),"	\
-					"128k(spl.backup3),"	\
-					"1920k(u-boot),"	\
-					"512k(u-boot.env0),"	\
-					"512k(u-boot.env1),"	\
-					"148m(rootfs),"		\
-					"512k(mtdoops),"	\
-					"-(configuration)"
+					"128k(spl)," \
+					"128k(spl.backup1)," \
+					"128k(spl.backup2)," \
+					"128k(spl.backup3)," \
+					"1920k(u-boot)," \
+					"512k(u-boot.env0)," \
+					"512k(u-boot.env1)," \
+					"512k(mtdoops)," \
+					"-(rootfs)"
+
 
 #define DFU_ALT_INFO_NAND_V2 \
 	"spl part 0 1;" \
@@ -516,8 +516,7 @@
 	"u-boot part 0 5;" \
 	"u-boot.env0 part 0 6;" \
 	"u-boot.env1 part 0 7;" \
-	"rootfs partubi 0 8;" \
-	"configuration partubi 0 10"
+	"rootfs partubi 0 9" \
 
 #define CONFIG_ENV_SETTINGS_NAND_V2 \
 	"nand_active_ubi_vol=rootfs_a\0" \
@@ -534,7 +533,7 @@
 			"setenv nand_active_ubi_vol ${rootfs_name}_b;" \
 		"fi;" \
 		"setenv nand_root ubi0:${nand_active_ubi_vol} rw " \
-		"ubi.mtd=7,2048 ubi.mtd=9,2048;" \
+		"ubi.mtd=rootfs,2048;" \
 		"setenv bootargs ${bootargs} " \
 		"root=${nand_root} noinitrd ${mtdparts} " \
 		"rootfstype=${nand_root_fs_type} ip=${ip_method} " \