msm: board-8930: Vote for higher bandwidth on 8930AB

The 8930AB clock plan supports DDR@600MHz. Update the graphics
bandwidth vote to use this higher frequency on 8930AB.

Change-Id: I8891ecdb202b335f8fe43a663616a4745167d252
Signed-off-by: Lynus Vaz <lvaz@codeaurora.org>
(cherry picked from commit 4f3182e8bf55675d0a82c5bc87fcedb2f277e1d9)
diff --git a/arch/arm/mach-msm/board-8930-gpu.c b/arch/arm/mach-msm/board-8930-gpu.c
index 578c665..b11bf4d 100644
--- a/arch/arm/mach-msm/board-8930-gpu.c
+++ b/arch/arm/mach-msm/board-8930-gpu.c
@@ -167,8 +167,10 @@
 
 	if (cpu_is_msm8930aa())
 		kgsl_3d0_pdata.pwrlevel[0].gpu_freq = 450000000;
-	else if (cpu_is_msm8930ab())
+	else if (cpu_is_msm8930ab()) {
 		kgsl_3d0_pdata.pwrlevel[0].gpu_freq = 500000000;
+		grp3d_max_vectors[0].ib = KGSL_CONVERT_TO_MBPS(4800);
+	}
 
 	/* Set up the chip ID based on the SoC version */