x86: Rename efi-x86 target to efi-x86_app

To avoid confusion, let's rename the efi-x86 target to efi-x86_app.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

board/efi/Kconfig

@@ -4,8 +4,8 @@ choice
 	prompt "Mainboard model"
 	optional
 
-config TARGET_EFI
-	bool "efi"
+config TARGET_EFI_APP
+	bool "efi application"
 	help
 	  This target is used for running U-Boot on top of EFI. In
 	  this case EFI does the early initialisation, and U-Boot
@@ -22,7 +22,7 @@ config TARGET_EFI_PAYLOAD
 
 endchoice
 
-source "board/efi/efi-x86/Kconfig"
+source "board/efi/efi-x86_app/Kconfig"
 source "board/efi/efi-x86_payload/Kconfig"
 
 endif

board/efi/efi-x86_app/Kconfig

@@ -1,7 +1,7 @@
-if TARGET_EFI
+if TARGET_EFI_APP
 
 config SYS_BOARD
-	default "efi-x86"
+	default "efi-x86_app"
 
 config SYS_VENDOR
 	default "efi"
@@ -10,6 +10,6 @@ config SYS_SOC
 	default "efi"
 
 config SYS_CONFIG_NAME
-	default "efi-x86"
+	default "efi-x86_app"
 
 endif

board/efi/efi-x86_app/Makefile

@@ -2,4 +2,4 @@
 #
 # Copyright (c) 2015 Google, Inc
 
-obj-y	+= efi.o
+obj-y	+= app.o