Move buildspec vars to BoardConfig.mk

Orig-Change-Id: I48ed4b55e91aae51076d9c609b44bf9fa24c3ecd
Signed-off-by: Bruce Beare <brucex.j.beare@intel.com>

target/board/generic_x86/BoardConfig.mk

@@ -1,4 +1,5 @@
 TARGET_ARCH=x86
+DISABLE_DEXPREOPT := true
 TARGET_COMPRESS_MODULE_SYMBOLS := false
 TARGET_PRELINK_MODULE := false
 TARGET_NO_RECOVERY := true
@@ -19,3 +20,8 @@ TARGET_DISK_LAYOUT_CONFIG := build/target/board/generic_x86/disk_layout.conf
 BOARD_BOOTIMAGE_MAX_SIZE := 8388608
 BOARD_SYSLOADER_MAX_SIZE := 7340032
 BOARD_FLASH_BLOCK_SIZE := 512
+
+
+# The eth0 device should be started with dhcp on boot.
+# Useful for emulators that don't provide a wifi connection.
+NET_ETH0_STARTONBOOT := true

target/board/generic_x86/README.txt

@@ -8,15 +8,11 @@ A1. Create a new top level directory and pull the AOSP repository
         repo init -u git://android.git.kernel.org/platform/manifest.git
         repo sync
 
-A2. Copy in the buildspeck.mk
-        cd $HOME/AOSP
-        cp build/target/board/generic_x86/buildspec-generic_x86.mk buildspec.mk
-
-A3. Copy in the kernel
+A2. Copy in the kernel
         cd $HOME/AOSP
         cp ~/bzImage.your_device $HOME/AOSP/prebuilt/android-x86/kernel/kernel
 
-A4. Build
+A3. Build
         cd $HOME/AOSP
         source build/envsetup.sh
         lunch generic_x86-eng
@@ -25,7 +21,7 @@ A4. Build
 The build will generate some image files whose format may or may not be correct for your
 device. You can build an installer image disk for the VirtualBox emulator using the command:
 
-A5. Build a VirtualBox installer image
+A4. Build a VirtualBox installer image
 	cd $HOME/AOSP
         source build/envsetup.sh
         lunch generic_x86-eng

target/board/generic_x86/buildspec-generic_x86.mk

@@ -1,7 +0,0 @@
-BUILD_ENV_SEQUENCE_NUMBER := 9
-DISABLE_DEXPREOPT := true
-TARGET_ARCH := x86
-
-# The eth0 device should be started with dhcp on boot.
-# Useful for emulators that don't provide a wifi connection.
-NET_ETH0_STARTONBOOT := true