msm: kgsl: Use device names to distinguish between graphics clocks

Distinguish between similar clocks on different cores using the
device struct passed to clk_get(). This allows for a common
clock naming convention that spans across targets.

Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices-msm7x25.c b/arch/arm/mach-msm/devices-msm7x25.c
index 758230b..ca3caa2 100644
--- a/arch/arm/mach-msm/devices-msm7x25.c
+++ b/arch/arm/mach-msm/devices-msm7x25.c
@@ -934,7 +934,7 @@
 	CLK_LOOKUP("core_clk",		i2c_clk.c,	"msm_i2c.0"),
 	CLK_LOOKUP("icodec_rx_clk",	icodec_rx_clk.c,	NULL),
 	CLK_LOOKUP("icodec_tx_clk",	icodec_tx_clk.c,	NULL),
-	CLK_LOOKUP("imem_clk",		imem_clk.c,	NULL),
+	CLK_LOOKUP("mem_clk",		imem_clk.c,	NULL),
 	CLK_LOOKUP("mdc_clk",		mdc_clk.c,	NULL),
 	CLK_LOOKUP("mddi_clk",		pmdh_clk.c,	NULL),
 	CLK_LOOKUP("mdp_clk",		mdp_clk.c,	NULL),