arm64: defconfig: Enable gcc, debugcc and cpufreq_hw for direwolf

Enable global clock controller and cpufreq hw driver so
that consumers can manage clocks and also enable debugcc
for clock measure functionality.

Change-Id: I0ba5d680cf3697c436da3087ff8181df8f887937
Signed-off-by: Veera Vegivada <vvegivad@codeaurora.org>