[PATCH] ARM64: dts: meson: bump mali450 clk to 744MHz

Neil Armstrong [off-list ref] writes:

The Mali-450 IP can run up to 744MHz, bump the frequency using
the GP0 PLL clock.

Cc: Michal Lazo <redacted>
Signed-off-by: Neil Armstrong <redacted>

Applied to v4.17/dt64,

Thanks,

Kevin