staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M
staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M

When the driver sets this rate a power of zero value is set causing
data flow stoppage until another rate is tried.

Signed-off-by: Malcolm Priestley <123fd39c698f702285d09eaebae85efdff081c95@gmail.com>
Cc: <4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org> # v3.17+
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs