mmc: adjust Kconfig for mmc sub-commands

All sub-commands of the mmc command should be shown in the Kconfig menu
next to the mmc command. This includes:

* mmc bkops
* mmc rpmb
* mmc swrite

The mmc rpmb sub-command is not usable without CONFIG_SUPPORT_EMMC_RPMB.
Add the missing dependency.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

cmd/Kconfig

@@ -1053,21 +1053,34 @@ config CMD_MMC
 	help
 	  MMC memory mapped support.
 
+if CMD_MMC
+
+config CMD_BKOPS_ENABLE
+	bool "mmc bkops enable"
+	depends on CMD_MMC
+	default n
+	help
+	  Enable command for setting manual background operations handshake
+	  on a eMMC device. The feature is optionally available on eMMC devices
+	  conforming to standard >= 4.41.
+
 config CMD_MMC_RPMB
 	bool "Enable support for RPMB in the mmc command"
-	depends on CMD_MMC
+	depends on SUPPORT_EMMC_RPMB
 	help
 	  Enable the commands for reading, writing and programming the
 	  key for the Replay Protection Memory Block partition in eMMC.
 
 config CMD_MMC_SWRITE
 	bool "mmc swrite"
-	depends on CMD_MMC && MMC_WRITE
+	depends on MMC_WRITE
 	select IMAGE_SPARSE
 	help
 	  Enable support for the "mmc swrite" command to write Android sparse
 	  images to eMMC.
 
+endif
+
 config CMD_MTD
 	bool "mtd"
 	depends on MTD
@@ -1600,15 +1613,6 @@ config CMD_BSP
 	  option provides a way to control this. The commands that are enabled
 	  vary depending on the board.
 
-config CMD_BKOPS_ENABLE
-	bool "mmc bkops enable"
-	depends on CMD_MMC
-	default n
-	help
-	  Enable command for setting manual background operations handshake
-	  on a eMMC device. The feature is optionally available on eMMC devices
-	  conforming to standard >= 4.41.
-
 config CMD_BLOCK_CACHE
 	bool "blkcache - control and stats for block cache"
 	depends on BLOCK_CACHE