ARM: mach-h720x: convert boot_params to atag_offset

The value used for boot_params in h7201-eval.c is nonsensical, given that
PLAT_PHYS_OFFSET is defined to 0x40000000.  Left unchanged to purposely
break the build to get its maintainer's attention.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-h720x/h7201-eval.c

@@ -29,7 +29,7 @@
 
 MACHINE_START(H7201, "Hynix GMS30C7201")
 	/* Maintainer: Robert Schwebel, Pengutronix */
-	.boot_params	= 0xc0001000,
+	.atag_offset	= 0x1000,
 	.map_io		= h720x_map_io,
 	.init_irq	= h720x_init_irq,
 	.timer		= &h7201_timer,

arch/arm/mach-h720x/h7202-eval.c

@@ -71,7 +71,7 @@ static void __init init_eval_h7202(void)
 
 MACHINE_START(H7202, "Hynix HMS30C7202")
 	/* Maintainer: Robert Schwebel, Pengutronix */
-	.boot_params	= 0x40000100,
+	.atag_offset	= 0x100,
 	.map_io		= h720x_map_io,
 	.init_irq	= h7202_init_irq,
 	.timer		= &h7202_timer,