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/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index 5f8490a..a7539a6 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -716,7 +716,7 @@
 }
 
 MACHINE_START(VPAC270, "Voipac PXA270")
-	.boot_params	= 0xa0000100,
+	.atag_offset	= 0x100,
 	.map_io		= pxa27x_map_io,
 	.init_irq	= pxa27x_init_irq,
 	.handle_irq	= pxa27x_handle_irq,