samsung: panel: move set_lhbm after set_bl

LHBM may include brightness change. Move set_lhbm after set_bl so user
space can poll sysfs local_hbm_mode to know if the whole LHBM request is
done.

Bug: 202350377
Signed-off-by: Long Ling <longling@google.com>
Change-Id: Ia7078222319012f16c0489a88ac47814d07ec892