config: compile hdmi dlkm only for QGKI

Compile hdmi_dlkm kernel module only when both
CONFIG_SND_SOC_MSM_HDMI_CODEC_RX and CONFIG_AUDIO_QGKI configs
are enabled.

Change-Id: I31864e8b764dbcb40e0b96ac3a98f626dab315d2
Signed-off-by: Vignesh Kulothungan <vigneshk@codeaurora.org>