hikey: Remove FAT bootimg support

The FAT bootimg support has been technically broken for
a few weeks as it doesn't support Image.gz formatted
kernels.

Thus, lets make it official and remove the support.

Change-Id: Ie9da2ab653df0b176ed5a9da148e459a767d1ca7
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/bootloader/EFI/BOOT/fastboot.efi b/bootloader/EFI/BOOT/fastboot.efi
deleted file mode 100644
index 8758eb5..0000000
--- a/bootloader/EFI/BOOT/fastboot.efi
+++ /dev/null
Binary files differ
diff --git a/bootloader/EFI/BOOT/grub.cfg b/bootloader/EFI/BOOT/grub.cfg
deleted file mode 100644
index f8a13a7..0000000
--- a/bootloader/EFI/BOOT/grub.cfg
+++ /dev/null
@@ -1,41 +0,0 @@
-set default="0"
-set timeout=1
-menuentry 'AOSP' {
-    search.fs_label boot root
-    set root=($root)
-    linux /kernel console=ttyFIQ0 androidboot.console=ttyFIQ0 androidboot.hardware=hikey firmware_class.path=/system/etc/firmware efi=noruntime printk.devkmsg=on androidboot.serialno=0123456789
-    initrd /ramdisk.img
-    devicetree /hi6220-hikey.dtb
-}
-menuentry 'AOSP-DEBUG' {
-    search.fs_label boot root
-    set root=($root)
-    linux /kernel earlycon=pl011,0xf7113000 no_console_suspend=1 console=ttyFIQ0 androidboot.console=ttyFIQ0 sysrq_always_enabled androidboot.hardware=hikey firmware_class.path=/system/etc/firmware efi=noruntime printk.devkmsg=on androidboot.serialno=0123456789
-    initrd /ramdisk.img
-    devicetree /hi6220-hikey.dtb
-}
-menuentry 'AOSP-CONSOLE' {
-    search.fs_label boot root
-    set root=($root)
-    linux /kernel console=ttyAMA3,115200 androidboot.console=ttyAMA3 fiq_debugger.disable=Y androidboot.hardware=hikey firmware_class.path=/system/etc/firmware efi=noruntime printk.devkmsg=on androidboot.serialno=0123456789
-    initrd /ramdisk.img
-    devicetree /hi6220-hikey.dtb
-}
-menuentry 'AOSP@720P' {
-    search.fs_label boot root
-    set root=($root)
-    linux /kernel console=ttyFIQ0 androidboot.console=ttyFIQ0 androidboot.hardware=hikey firmware_class.path=/system/etc/firmware efi=noruntime video=HDMI-A-1:1280x720@60 printk.devkmsg=on androidboot.serialno=0123456789
-    initrd /ramdisk.img
-    devicetree /hi6220-hikey.dtb
-}
-menuentry 'AOSP@SVGA' {
-    search.fs_label boot root
-    set root=($root)
-    linux /kernel console=ttyFIQ0 androidboot.console=ttyFIQ0 androidboot.hardware=hikey firmware_class.path=/system/etc/firmware efi=noruntime video=HDMI-A-1:800x600@60 printk.devkmsg=on androidboot.serialno=0123456789
-    initrd /ramdisk.img
-    devicetree /hi6220-hikey.dtb
-}
-menuentry 'Fastboot' {
-    search.fs_label boot root
-    chainloader ($root)/EFI/BOOT/fastboot.efi
-}
diff --git a/bootloader/EFI/BOOT/grubaa64.efi b/bootloader/EFI/BOOT/grubaa64.efi
deleted file mode 100644
index d756122..0000000
--- a/bootloader/EFI/BOOT/grubaa64.efi
+++ /dev/null
Binary files differ
diff --git a/build/tasks/boot_fat.mk b/build/tasks/boot_fat.mk
deleted file mode 100644
index b65b218..0000000
--- a/build/tasks/boot_fat.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-ifneq ($(filter hikey%, $(TARGET_DEVICE)),)
-
-ifeq ($(TARGET_BOOTIMAGE_USE_FAT), true)
-$(PRODUCT_OUT)/boot_fat.uefi.img: $(INSTALLED_KERNEL_TARGET) $(INSTALLED_RAMDISK_TARGET) $(PRODUCT_OUT)/hi6220-hikey.dtb
-# $@ is referring to $(PRODUCT_OUT)/boot_fat.uefi.img
-	dd if=/dev/zero of=$@ bs=512 count=98304
-	mkfs.fat -n "boot" $@
-	$(FAT16COPY) $@ $(PRODUCT_OUT)/kernel
-	$(FAT16COPY) $@ $(PRODUCT_OUT)/hi6220-hikey.dtb
-	$(FAT16COPY) $@ device/linaro/hikey/bootloader/*
-	$(FAT16COPY) $@ $(PRODUCT_OUT)/ramdisk.img
-
-droidcore: $(PRODUCT_OUT)/boot_fat.uefi.img
-endif
-
-endif
diff --git a/hikey/README b/hikey/README
index 7556fd2..25c1df3 100644
--- a/hikey/README
+++ b/hikey/README
@@ -43,10 +43,8 @@
         Image-dtb-4.9 and hi6220-hikey.dtb-4.9
 
 * Setting monitor resolution
-Add to BOARD_KERNEL_CMDLINE in BoardConfig.mk or
-if you are setting TARGET_BOOTIMAGE_USE_FAT=true edit
-device/linaro/hikey/bootloader/EFI/BOOT/grub.cfg
-Set video= (for example for 24” monitor): video=HDMI-A-1:1280x800@60
+Add to BOARD_KERNEL_CMDLINE in BoardConfig.mk:
+  video= (for example for 24” monitor): video=HDMI-A-1:1280x800@60
 
 * Kernel serial output (uart3):
 J2 (LS Expansion): 1 - Gnd, 11 - Rx, 13 - Tx