Remove dependancy on WCNSS_CORE

All wcnss related functionality moved to platform driver.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Add HAS_DMA dependancy

wcn36xx is usign DMA fro data path.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Fix typos here and there

Some obvious fixes.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>