msm: board-8960: allow VDD_Mem and VDD_Dig retention voltage levels

Change the minimum voltage allowed for both VDD_Mem (L24) and
VDD_Dig (S3) from 1.15 V to 0.75 V and 0.5 V respectively.  This
will allow for voltage minimization to retention levels.

Signed-off-by: David Collins <collinsd@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-msm8960-regulator.c b/arch/arm/mach-msm/board-msm8960-regulator.c
index 7e4720c..e554337 100644
--- a/arch/arm/mach-msm/board-msm8960-regulator.c
+++ b/arch/arm/mach-msm/board-msm8960-regulator.c
@@ -473,7 +473,7 @@
 	/*	 ID    a_on pd ss min_uV   max_uV  supply sys_uA freq */
 	RPM_SMPS(S1,	 1, 1, 0, 1225000, 1225000, NULL, 100000, 3p20),
 	RPM_SMPS(S2,	 0, 1, 0, 1300000, 1300000, NULL, 0,	  1p60),
-	RPM_SMPS(S3,	 0, 1, 1, 1150000, 1150000, NULL, 100000, 4p80),
+	RPM_SMPS(S3,	 0, 1, 1,  500000, 1150000, NULL, 100000, 4p80),
 	RPM_SMPS(S4,	 1, 1, 0, 1800000, 1800000, NULL, 100000, 3p20),
 	RPM_SMPS(S7,	 0, 1, 0, 1150000, 1150000, NULL, 100000, 3p20),
 	RPM_SMPS(S8,	 1, 1, 0, 2200000, 2200000, NULL, 100000, 1p60),
@@ -499,7 +499,7 @@
 	RPM_LDO(L21,	 0, 1, 0, 1900000, 1900000, "8921_s8", 0, 0),
 	RPM_LDO(L22,	 0, 1, 0, 2750000, 2750000, NULL,      0, 0),
 	RPM_LDO(L23,	 1, 1, 0, 1800000, 1800000, "8921_s8", 10000, 10000),
-	RPM_LDO(L24,	 0, 1, 1, 1150000, 1150000, "8921_s1", 10000, 10000),
+	RPM_LDO(L24,	 0, 1, 1,  750000, 1150000, "8921_s1", 10000, 10000),
 	RPM_LDO(L25,	 1, 1, 0, 1225000, 1225000, "8921_s1", 10000, 10000),
 
 	/*	ID     a_on pd ss		    supply */