default initramfs for 5.4 kernel is larger than 4M, causing build error
for oversized initramfs image.
disable these images because we have no mechanism for ignoring initramfs
errors and the squashfs image will be larger than initramfs anyway.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
(cherry picked from commit d7d46da938)
f4d680bd16