scripts: re-enable some now fixed dtc warnings

We can re-enable some dtc warnings that have been completely or mostly
fixed. There are a few remaining ones in arm64 dts files which crept in
recently.

Change-Id: Ia71c6e8421dd19348d490237c911098e86fb9d5c
Signed-off-by: Rob Herring <robh@kernel.org>
1 file changed