ARM: tegra12: clock: fix battery_edp clock

ARM: tegra12: clock: fix battery_edp clock

battery_edp clock is constraining the maximum frequency of GPU. On
T114 this clock was constraining cbus frequency but on T124 gbus
frequency needs to be constrained. This patch fixes the issue.

Change-Id: I26b7f6e98a35ef15455773d4d77d41351c9edf0b
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-on: http://git-master/r/304864
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>