mhi: controller: qcom: add support to capture local SoC time

For syncronization between local SoC and remote SoC time, time_get
support is added. Time_get returns local host SoC XO clock time in
ticks.

CRs-Fixed: 2306423
Change-Id: I76886feac00f994bad8968cf8ac837341624aa08
Acked-by: Bhaumik Vasav Bhatt <bbhatt@qti.qualcomm.com>
Signed-off-by: Sujeev Dias <sdias@codeaurora.org>