Select the Bayhub LV2 driver, and implement power sequencing as per the
datasheet.
BUG=b:223304542
TEST=Check that connecting an SD card works as expected in the OS. Probe
the EN and RST signals and check the timing requirements are met.
Change-Id: Id1cca2024e06e5b2c7cefd22aa0b735bc542dc3b
Signed-off-by: Reka Norman <rekanorman@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63434
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>