msm: board-8064-pmic: Add PM8921 Sub-devices

Enable supported sub-devices for PM8921 pmic for
APQ8064 board.
Also, contrary to the information present in the irq
mapping table for 8064, GPIO 77 is _not_ connected to the
PM8821_USR_IRQ_N. For now use TLMM summary irq line to
support PMIC irq.

Signed-off-by: Jay Chokshi <jchokshi@codeaurora.org>
Change-Id: If32729e6e5d147676102a5796c0a509fc8af8440
diff --git a/arch/arm/mach-msm/board-8064.h b/arch/arm/mach-msm/board-8064.h
index 4735504..f106b95 100644
--- a/arch/arm/mach-msm/board-8064.h
+++ b/arch/arm/mach-msm/board-8064.h
@@ -54,5 +54,6 @@
 void apq8064_mdp_writeback(struct memtype_reserve *reserve_table);
 
 void apq8064_init_gpu(void);
+void apq8064_pm8xxx_gpio_mpp_init(void);
 
 #endif