ARM: ICST: provide definitions for max/min VCO frequencies

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index dfb961b..5aca7eb 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -42,7 +42,7 @@
 
 static const struct icst_params impd1_vco_params = {
 	.ref		= 24000,	/* 24 MHz */
-	.vco_max	= 200000,	/* 200 MHz */
+	.vco_max	= ICST525_VCO_MAX_3V,
 	.vd_min		= 12,
 	.vd_max		= 519,
 	.rd_min		= 3,