iwlwifi: mvm: fix non-ACPI function

iwlwifi: mvm: fix non-ACPI function

commit 7937fd3227055892e169f4b34d21157e57d919e2 upstream.

The code now compiles without ACPI, but there's a warning since
iwl_mvm_get_ppag_table() isn't used, and iwl_mvm_ppag_init() must
not unconditionally fail but return success instead.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[Drop hunk removing iwl_mvm_get_ppag_table() since it doesn't exist in
5.4]
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>