staging: rtl8723bs: hal: put return type and function name on one line

Make the function definition of phy_StoreTxPowerByRateBase() follow the
kernel coding style by placing the return type and function name on a
single line.

No functional change.

Signed-off-by: Akiyoshi Kurita <weibu@redadmin.org>
Link: https://lore.kernel.org/r/20250912162613.776769-1-weibu@redadmin.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>