powerpc, 8xx: move specific reginfo

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/powerpc/cpu/mpc8xx/Makefile b/arch/powerpc/cpu/mpc8xx/Makefile
index eae02da..b5b4bfa 100644
--- a/arch/powerpc/cpu/mpc8xx/Makefile
+++ b/arch/powerpc/cpu/mpc8xx/Makefile
@@ -13,6 +13,7 @@
 obj-$(CONFIG_OF_LIBFDT) += fdt.o
 obj-$(CONFIG_CMD_IMMAP) += immap.o
 obj-y	+= interrupts.o
+obj-$(CONFIG_CMD_REGINFO) += reginfo.o
 obj-y	+= serial.o
 obj-y	+= speed.o
 obj-y	+= spi.o