etc/banner: update with wanted info and new design
fixes: RM #31869
- prerequisite is include/version.mk patched for %G %N and %n
- new design came from doodling during onboarding call
- %M and %D kept for visibility of when things break
- if needed init.d/populate_banner update some fields during boot
Change-Id: I4734f5420d5fab19c0ddcd17c32c2806ba90463a