ANDROID: ARM64: Tweak defconfig for EAS platforms

Add    CpuFreq governors and make schedutil default
Add    Sched Debug
Add    Ftrace
Add    Function, Function Graph, Irqsoff, Preempt, Sched Tracer
Add    Dynamic Ftrace
Add    Prove Locking
Add    Generic DT based CpuFreq driver - for hikey
Add    USB Net AX8817X                 - for hikey
Add    USB Net RTL8152		       - for hikey
Add    HI6220 stub clock               - for hikey

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Change-Id: I6334601d6d28c2db1af17243215c2efdefc0b088
Signed-off-by: Chris Redpath <chris.redpath@arm.com>