msm: HTC: elite: Use CMD_CLK_CTRL for backlight enable

Change-Id: Ia1e03eb57254a673b1de1e1b632c8e43bd7f36be
msm: HTC: jet: Use CMD_CLK_CTRL for backlight enable

Change-Id: Id57d2881f6c52d441ad754d73c167084f638c98a
msm: HTC: fighter: Use CMD_CLK_CTRL for backlight enable

Change-Id: I22ad7addd179def3e4a6786209d97b7a524114f9