ARM: dts: msm: Never unload the firmware for apq8053

Loading firmware during video use case causing
startup latency. To avoid this enable never-unload-fw
flag for apq8053.

CRs-Fixed: 2039518
Change-Id: I8daacc38a5989aaad23f23df450b20d04930d70a
Signed-off-by: Srinu Gorle <sgorle@codeaurora.org>