msm: board-8930: Add support for PMIC PM8917

Add support for boards consisting of MSM8930 + PM8917.
Conditionally Remove configuration for peripherals not present in
PM8917.  Also remap GPIOs and MPPs as follows:

GPIOs:
PM8038  PM8917
1       24
2       25
3       27
4       19
5       25
6       23
7       38
8       28
9       20
10      36
11      37
12      21

MPPs:
PM8038  PM8917
1       5
2       6
3       10
4       8
5       7
6       9

Change-Id: I38166aaa85271b9d7f857f27b070fc36a0d0a803
Signed-off-by: David Collins <collinsd@codeaurora.org>