uboot-mediatek: update to 2022.07 release

Add patch to fix host-build of the mkimage tool without
CONFIG_TOOLS_LIBCRYPTO.
Update and refresh all patches.

Tested on BananaPi R64 (MT7622) successfully booting from SD card,
eMMC and SPI-NAND.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/boot/uboot-mediatek/patches/120-use-xz-instead-of-lzma.patch

@@ -1,6 +1,6 @@
 --- a/Makefile
 +++ b/Makefile
-@@ -1045,7 +1045,7 @@ quiet_cmd_pad_cat = CAT     $@
+@@ -1061,7 +1061,7 @@ quiet_cmd_pad_cat = CAT     $@
  cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; }
  
  quiet_cmd_lzma = LZMA    $@