u-boot: cleanup previous changes that where added for amlogic

projects but are now no longer needed due to u-boot-tools-aml

packages/tools/u-boot/package.mk

@@ -39,12 +39,6 @@ case "$PROJECT" in
     ;;
 esac
 
-make_host() {
-  make mrproper
-  make dummy_x86_config
-  make tools-only
-}
-
 make_target() {
   if [ -z "$UBOOT_SYSTEM" ]; then
     echo "UBOOT_SYSTEM must be set to build an image"
@@ -56,11 +50,6 @@ make_target() {
   fi
 }
 
-makeinstall_host() {
-  mkdir -p $TOOLCHAIN/bin
-    cp tools/mkimage $TOOLCHAIN/bin
-}
-
 makeinstall_target() {
   mkdir -p $INSTALL/usr/share/bootloader
 

packages/tools/u-boot/sources/configs/dummy_x86_defconfig

@@ -1 +0,0 @@
-CONFIG_X86=y