ASoC: wcd9320: Add differential mode for Lineouts
ASoC: wcd9320: Add differential mode for Lineouts

For differential line outputs LO1/LO3 are considered one channel (left)
and LO2/LO4 are the other channel (right).

Change-Id: Ie13fb84a9e0807e07dfc1cc95bece9a59d60a494
Signed-off-by: Tanya Finkel <30a24f834d2381f5dd15889a4409571a942d7145@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas