clk: msm: clock-alpha-pll: Fix incorrect fabia PLL settings

For the fabia PLL to be in STANDBY mode, the RESET_N bit should
be set so that the PLL comes out of reset. Else, the PLL is
at OFF state and changing it's frequencies would not cause the
ACK_LATCH to be set.

CRs-Fixed: 1018752
Change-Id: I30f1ee0f4fdb8d92a9f6e187c1d8b797a0bdc94d
Signed-off-by: Deepak Katragadda <dkatraga@codeaurora.org>