msm: clock-8960: Add cxo for ISA1200 driver to the 8064 lookup table

ISA1200 driver needs cxo clk for pwm generation. Add
this clk to lookup table.

Change-Id: I75224e1adce58acd119fd4c3d0b920ccc1bb41e7
Signed-off-by: Mohan Pallaka <mpallaka@codeaurora.org>
diff --git a/arch/arm/mach-msm/clock-8960.c b/arch/arm/mach-msm/clock-8960.c
index 5867eef..7866fc7 100644
--- a/arch/arm/mach-msm/clock-8960.c
+++ b/arch/arm/mach-msm/clock-8960.c
@@ -5025,6 +5025,7 @@
 static struct clk_lookup msm_clocks_8064[] = {
 	CLK_LOOKUP("xo",		cxo_a_clk.c,	""),
 	CLK_LOOKUP("xo",		pxo_a_clk.c,	""),
+	CLK_LOOKUP("pwm_clk",		cxo_clk.c,	"0-0048"),
 	CLK_LOOKUP("cxo",		cxo_clk.c,	"wcnss_wlan.0"),
 	CLK_LOOKUP("cxo",		cxo_clk.c,	"pil_riva"),
 	CLK_LOOKUP("xo",		pxo_clk.c,	"pil_qdsp6v4.0"),