ARM64: dts: mediatek: Remove loop.max_part=7 from bootargs

 * Fixes failed to mount /tmp/com.android.adbd.apex to loop device /dev/block/loop16 error spam in recovery

Signed-off-by: SamarV-121 <samarvispute121@gmail.com>
Signed-off-by: Gagan Malvi <malvi@aospa.co>