mb/apple/macbook11,macbook21,imac52: Remove per board directories

This is achieved by setting up Kconfig and Kconfig.name very similar
to how variants are used.

Change-Id: I22089ff29e3879d7956527a092a0ac6425b05cb3
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/17894
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/mainboard/apple/imac52/Kconfig

@@ -1,7 +0,0 @@
-if BOARD_APPLE_IMAC52
-
-config MAINBOARD_PART_NUMBER
-	string
-	default "iMac5,2"
-
-endif

src/mainboard/apple/imac52/Kconfig.name

@@ -1,2 +0,0 @@
-config BOARD_APPLE_IMAC52
-	bool "iMac5,2"

src/mainboard/apple/imac52/board_info.txt

@@ -1,8 +0,0 @@
-Board name: iMac5,2
-Category: desktop
-ROM package: SOIC-8
-ROM protocol: SPI
-ROM socketed: n
-Flashrom support: n
-Clone of: apple/macbook21
-Release year: 2007

src/mainboard/apple/macbook11/Kconfig

@@ -1,7 +0,0 @@
-if BOARD_APPLE_MACBOOK11
-
-config MAINBOARD_PART_NUMBER
-	string
-	default "MacBook1,1"
-
-endif

src/mainboard/apple/macbook11/Kconfig.name

@@ -1,2 +0,0 @@
-config BOARD_APPLE_MACBOOK11
-	bool "Macbook1,1"

src/mainboard/apple/macbook11/board_info.txt

@@ -1,8 +0,0 @@
-Board name: Macbook1,1
-Category: laptop
-ROM package: SOIC-8
-ROM protocol: SPI
-ROM socketed: n
-Flashrom support: n
-Clone of: apple/macbook21
-Release year: 2006

src/mainboard/apple/macbook21/Kconfig

@@ -27,13 +27,11 @@ config MAINBOARD_DIR
 	string
 	default apple/macbook21
 
-if BOARD_APPLE_MACBOOK21
-
 config MAINBOARD_PART_NUMBER
 	string
-	default "MacBook2,1"
+	default "Macbook1,1" if BOARD_APPLE_MACBOOK11
-
+	default "MacBook2,1" if BOARD_APPLE_MACBOOK21
-endif
+	default "iMac5,2" if BOARD_APPLE_IMAC52
 
 config MMCONF_BASE_ADDRESS
 	hex

src/mainboard/apple/macbook21/Kconfig.name

@@ -1,2 +1,8 @@
 config BOARD_APPLE_MACBOOK21
 	bool "Macbook2,1"
+
+config BOARD_APPLE_MACBOOK11
+	bool "Macbook1,1"
+
+config BOARD_APPLE_IMAC52
+	bool "iMac5,2"