Expressltexx: Update snd_soc_msm_Sitar
Expressltexx: Various updates

 * Fix PROXY devices
 * Remove consumerir (this devices doesn't have an IR blaster)
 * Remove kernel variant config (not needed for this device)
Expressltexx: Remove ConsumerIR
Expressltexx: Utilize charger class for offmode charging
Merge https://github.com/szezso/android_device_samsung_expressltexx into omni4.4