USB: HSIC SMSC HUB: Keep REF_CLK ON to support remote-wakeup

SMSC HUB requires ref_clk to be ON to support remote wakeup.
Keeping the ref_clock ON during suspend allows HUB to generate
remote-wakeup signal over HSIC BUS when devices are connected or
removed from its downstream ports.

CRs-fixed: 452774
Change-Id: Ib5a6150a77e3a5c0aa8b03f7665c6503b5556796
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
1 file changed