ARM: mach-pxa: convert boot_params to atag_offset

Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index c748a47..6f6368e 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -838,7 +838,7 @@
 }
 
 MACHINE_START(H4700, "HP iPAQ HX4700")
-	.boot_params  = 0xa0000100,
+	.atag_offset  = 0x100,
 	.map_io       = pxa27x_map_io,
 	.nr_irqs      = HX4700_NR_IRQS,
 	.init_irq     = pxa27x_init_irq,