PBS RPMh resources are used to trigger PBS sequences, which
may be used to toggle the enable state of regulators which are
required to be controlled by HW enable option.
Add support for them.
Change-Id: I620793269cf9962f692fad8277a280bb05a98cd6
Signed-off-by: Shilpa Suresh <quic_c_sbsure@quicinc.com>