Convert CONFIG_CMD_PCMCIA to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_PCMCIA

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

README

@@ -812,7 +812,6 @@ The following options need to be configured:
 		CONFIG_CMD_MII		* MII utility commands
 		CONFIG_CMD_NET		  bootp, tftpboot, rarpboot
 		CONFIG_CMD_NFS		  NFS support
-		CONFIG_CMD_PCMCIA		* PCMCIA support
 		CONFIG_CMD_PING		* send ICMP ECHO_REQUEST to network
 					  host
 		CONFIG_CMD_PORTIO	* Port I/O

cmd/Kconfig

@@ -741,6 +741,14 @@ config CMD_PCI
 	  peripherals. Sub-commands allow bus enumeration, displaying and
 	  changing configuration space and a few other features.
 
+config CMD_PCMCIA
+	bool "pinit - Set up PCMCIA device"
+	help
+	  Provides a means to initialise a PCMCIA (Personal Computer Memory
+	  Card International Association) device. This is an old standard from
+	  about 1990. These devices are typically removable memory or network
+	  cards using a standard 68-pin connector.
+
 config CMD_REMOTEPROC
 	bool "remoteproc"
 	depends on REMOTEPROC

configs/ms7720se_defconfig

@@ -15,6 +15,7 @@ CONFIG_CMD_IDE=y
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
 # CONFIG_CMD_FPGA is not set
+CONFIG_CMD_PCMCIA=y
 # CONFIG_CMD_ECHO is not set
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set

include/config_cmd_all.h

@@ -13,7 +13,6 @@
  * Alphabetical list of all possible commands.
  */
 
-#define CONFIG_CMD_PCMCIA	/* PCMCIA support		*/
 #define CONFIG_CMD_PORTIO	/* Port I/O			*/
 #define CONFIG_CMD_REGINFO	/* Register dump		*/
 #define CONFIG_CMD_REISER	/* Reiserfs support		*/

include/configs/dbau1x00.h

@@ -67,11 +67,6 @@
  * Command line configuration.
  */
 
-#ifdef CONFIG_DBAU1550
-
-#undef CONFIG_CMD_PCMCIA
-#endif
-
 /*
  * Miscellaneous configurable options
  */

include/configs/ms7720se.h

@@ -13,7 +13,6 @@
 #define CONFIG_MS7720SE		1
 
 #define CONFIG_CMD_SDRAM
-#define CONFIG_CMD_PCMCIA
 
 #define CONFIG_BOOTARGS		"console=ttySC0,115200"
 #define CONFIG_BOOTFILE		"/boot/zImage"

scripts/config_whitelist.txt

@@ -293,7 +293,6 @@ CONFIG_CM922T_XA10
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_PCMCIA
 CONFIG_CMD_PORTIO
 CONFIG_CMD_READ
 CONFIG_CMD_REGINFO