[qca-ssdk]: Use global rfs device variable for register/unregister

According to qrfs moudle requirment, use global rfs device variable
for register/unregister.

Change-Id: I971ecaf2c3ee0497aeca9b44cae9499d83fc07c2
Signed-off-by: xiaofeis <xiaofeis@codeaurora.org>
1 file changed
tree: 9bcc471ae0efc00c0b770127f2ee2aae1b8db9ad
  1. app/
  2. include/
  3. make/
  4. src/
  5. ChangeLog
  6. config
  7. ko_Makefile
  8. Makefile