clk : clock-gcc-8916: Support 200MHz for emmc

Set max eMMC clock frequency to 200MHz
from current value of 177.77MHz.

Change-Id: I073e74d867217edbad301f0ca291c06184dfdf76
Signed-off-by: Xiaofei Ma <xiaofei@motorola.com>
Reviewed-on: http://gerrit.mot.com/691313


SLTApproved: Slta Waiver <sltawvr@motorola.com>
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Russell Knize <rknize@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>