msm_hs_init_clk() function is not releasing acquire wakelock
in case of uartclk enable is failing. Hence handle this case
and also correct the error handling in msm_hs_startup function
to release the acquire resources if any error condition encounter.
CRs-Fixed: 348734
Change-Id: Iba822a0bb36f8a6b78279574119bae6db4308c86
Signed-off-by: Mayank Rana <mrana@codeaurora.org>