ARM: keystone2: Allow for board specific speed definitions

Its not compulsory that speed definition should be same on EFUSE_BOOTROM
register for all keystone 2 devices. So, allow for board specific
speed definitions.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-keystone/clock.c b/arch/arm/mach-keystone/clock.c
index 5c6051e..1ae3baf 100644
--- a/arch/arm/mach-keystone/clock.c
+++ b/arch/arm/mach-keystone/clock.c
@@ -228,14 +228,14 @@
 	}
 }
 
-static int get_max_speed(u32 val, u32 speed_supported)
+static int get_max_speed(u32 val, u32 speed_supported, int *spds)
 {
 	int speed;
 
 	/* Left most setbit gives the speed */
 	for (speed = DEVSPEED_NUMSPDS; speed >= 0; speed--) {
 		if ((val & BIT(speed)) & speed_supported)
-			return speeds[speed];
+			return spds[speed];
 	}
 
 	/* If no bit is set, use SPD800 */
@@ -250,24 +250,24 @@
 		return __raw_readl(KS2_EFUSE_BOOTROM);
 }
 
-int get_max_arm_speed(void)
+int get_max_arm_speed(int *spds)
 {
 	u32 armspeed = read_efuse_bootrom();
 
 	armspeed = (armspeed & DEVSPEED_ARMSPEED_MASK) >>
 		    DEVSPEED_ARMSPEED_SHIFT;
 
-	return get_max_speed(armspeed, ARM_SUPPORTED_SPEEDS);
+	return get_max_speed(armspeed, ARM_SUPPORTED_SPEEDS, spds);
 }
 
-int get_max_dev_speed(void)
+int get_max_dev_speed(int *spds)
 {
 	u32 devspeed = read_efuse_bootrom();
 
 	devspeed = (devspeed & DEVSPEED_DEVSPEED_MASK) >>
 		    DEVSPEED_DEVSPEED_SHIFT;
 
-	return get_max_speed(devspeed, DEV_SUPPORTED_SPEEDS);
+	return get_max_speed(devspeed, DEV_SUPPORTED_SPEEDS, spds);
 }
 
 /**