power: supply: Add snapshot of QPNP QG driver and its dependencies

Add snapshot of the qpnp-qg driver as of msm-4.19
'commit 7bbb67403d95 ("Merge: msm_geni_serial: Correct the DMA RX
interrupt logic")'.

Change-Id: If8df8bc75705676006be7172c20469baa1c1dae6
Signed-off-by: Shyam Kumar Thella <sthella@codeaurora.org>