drm/etnaviv: Simplify clock enable/disable

All the NULL checks are pointless, clk_*() routines already deal with NULL
just fine.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Lubomir Rintel 2020-06-16 23:21:27 +02:00 • committed by Lucas Stach
commit 6a5ef3b224