ARM: l2c: remove platforms/SoCs setting early BRESP

Since we now automatically enable early BRESP in core L2C-310 code when
we detect a Cortex-A9, we don't need platforms/SoCs to set this bit
explicitly.  Instead, they should seek to preserve the value of bit 30
in the auxiliary control register.

Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-spear/spear13xx.c

@@ -46,7 +46,7 @@ void __init spear13xx_l2x0_init(void)
 	 */
 	writel_relaxed(0x221, VA_L2CC_BASE + L310_TAG_LATENCY_CTRL);
 	writel_relaxed(0x441, VA_L2CC_BASE + L310_DATA_LATENCY_CTRL);
-	l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff);
+	l2x0_init(VA_L2CC_BASE, 0x30a60001, 0xfe00ffff);
 }
 
 /*