arm64: dts: qrb5165-rb5: add analog audio support

Test HDMI audio:

amixer cset iface=MIXER,name='TERT_MI2S_RX Audio Mixer MultiMedia1' 1
aplay /usr/share/sounds/alsa/Front_Center.wav

To Test Analog Audio:

amixer cset iface=MIXER,name='WSA RX0 MUX' 'AIF1_PB'
amixer cset iface=MIXER,name='WSA RX1 MUX' 'AIF1_PB'

amixer cset iface=MIXER,name='WSA_RX0 INP0' 'RX0'
amixer cset iface=MIXER,name='WSA_RX1 INP0' 'RX1'

amixer cset iface=MIXER,name='WSA_COMP1 Switch' 1
amixer cset iface=MIXER,name='WSA_COMP2 Switch' 1

amixer cset iface=MIXER,name='SpkrLeft COMP Switch' 1
amixer cset iface=MIXER,name='SpkrLeft BOOST Switch' 1
amixer cset iface=MIXER,name='SpkrLeft DAC Switch' 1
amixer cset iface=MIXER,name='SpkrLeft VISENSE Switch' 0
amixer cset iface=MIXER,name='SpkrLeft PA Volume' 12

amixer cset iface=MIXER,name='SpkrRight COMP Switch' 1
amixer cset iface=MIXER,name='SpkrRight BOOST Switch' 1
amixer cset iface=MIXER,name='SpkrRight DAC Switch' 1
amixer cset iface=MIXER,name='SpkrRight VISENSE Switch' 0
amixer cset iface=MIXER,name='SpkrRight PA Volume' 12

amixer cset iface=MIXER,name='WSA_RX0 Digital Volume'  68
amixer cset iface=MIXER,name='WSA_RX1 Digital Volume'  68

amixer cset iface=MIXER,name='WSA_CODEC_DMA_RX_0 Audio Mixer MultiMedia1' 1

aplay -D plughw:0,1 /usr/share/sounds/alsa/Front_Center.wav

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>