RISC-V: stop directly selecting drivers for SOC_CANAAN

The serial and clock drivers will be enabled by default if the symbol
itself is enabled, so stop directly selecting the drivers in
Kconfigs.socs.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Conor Dooley 2022-10-05 18:13:49 +01:00
commit 3af577f982