Convert CONFIG_CMD_GETTIME to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_GETTIME

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

README

@@ -844,7 +844,6 @@ The following options need to be configured:
 		CONFIG_CMD_FAT		* FAT command support
 		CONFIG_CMD_FLASH	  flinfo, erase, protect
 		CONFIG_CMD_FPGA		  FPGA device initialization support
-		CONFIG_CMD_GETTIME	* Get time since boot
 		CONFIG_CMD_GO		* the 'go' command (exec code)
 		CONFIG_CMD_GREPENV	* search environment
 		CONFIG_CMD_HASH		* calculate hash / digest

arch/Kconfig

@@ -87,6 +87,7 @@ config X86
 	select USB_EHCI_HCD
 	select DM_MMC if MMC
 	imply CMD_FPGA_LOADMK
+	imply CMD_GETTIME
 
 config XTENSA
 	bool "Xtensa architecture"

cmd/Kconfig

@@ -846,6 +846,14 @@ config CMD_TIME
 	help
 	  Run commands and summarize execution time.
 
+config CMD_GETTIME
+	bool "gettime - read elapsed time"
+	help
+	  Enable the 'gettime' command which reads the elapsed time since
+	  U-Boot started running. This shows the time in seconds and
+	  milliseconds. See also the 'bootstage' command which provides more
+	  flexibility for boot timing.
+
 # TODO: rename to CMD_SLEEP
 config CMD_MISC
 	bool "sleep"

include/config_cmd_all.h

@@ -13,7 +13,6 @@
  * Alphabetical list of all possible commands.
  */
 
-#define CONFIG_CMD_GETTIME	/* Get time since boot         */
 #define CONFIG_CMD_HASH		/* calculate hash / digest	*/
 #define CONFIG_CMD_IDE		/* IDE harddisk support		*/
 #define CONFIG_CMD_IMMAP	/* IMMR dump support		*/

include/configs/x86-common.h

@@ -73,7 +73,6 @@
 #define CONFIG_CMD_IO
 #define CONFIG_CMD_IRQ
 #define CONFIG_CMD_PCI
-#define CONFIG_CMD_GETTIME
 #define CONFIG_SCSI
 
 #define CONFIG_CMD_ZBOOT

scripts/config_whitelist.txt

@@ -383,7 +383,6 @@ CONFIG_CM922T_XA10
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_GETTIME
 CONFIG_CMD_GSC
 CONFIG_CMD_HASH
 CONFIG_CMD_HD44760