Unstub tcsrcc for Sun. Also shrink the tlmm region to avoid overlaps, but that tlmm doesn't use anything past where we're shrinking it. Change-Id: Id9f09105ad959ba9c9f44b2cb3912e1f93bba3b3 Signed-off-by: Xubin Bai <quic_xubibai@quicinc.com>