arm: socfpga: clock: Clean up bit definitions

arm: socfpga: clock: Clean up bit definitions

Clean up the clock code definitions so they are aligned with mainline
standards. There are no functional changes in this patch.

Signed-off-by: Marek Vasut <[email protected]>
Cc: Chin Liang See <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Wolfgang Denk <[email protected]>
Cc: Pavel Machek <[email protected]>
Acked-by: Pavel Machek <[email protected]>