An LDO300 regulator is used by the GPU rail on msmfalcon. This LDO is CPR managed and uses a different configuration/control scheme compared to Kryo LDO. Add support for this LDO in the CPR3 framework. CRs-Fixed: 1068294 Change-Id: Ia45152fe211f2ece1028c5cb978beebda86faba3 Signed-off-by: Tirupathi Reddy <tirupath@codeaurora.org>