defconfig: msm: change BLK_DEV_LOOP_MIN_COUNT's value for Trinket

Change BLK_DEV_LOOP_MIN_COUNT's value from 8 to 16 for Trinket SoC.
From android version 'Q', android API level has moved from 28 to 29.
With this upgrade, android VTS testcase 'VtsKernelLoopConfigTest'
expects BLK_DEV_LOOP_MIN_COUNT to be 16.

Change-Id: If409abe90c1e9ae4df572c84d1442b105aed0fdc
Signed-off-by: Kaushal Kumar <kaushalk@codeaurora.org>