PPC: Remove duplicate OPENPIC defines in default-configs

The CONFIG_OPENPIC variable was declared multiple times. We only need it once.
Signed-off-by: NAlexander Graf <agraf@suse.de>

default-configs/ppc-softmmu.mak

@@ -38,7 +38,6 @@ CONFIG_PTIMER=y
 CONFIG_I8259=y
 CONFIG_XILINX=y
 CONFIG_XILINX_ETHLITE=y
-CONFIG_OPENPIC=y
 CONFIG_PREP=y
 CONFIG_MAC=y
 CONFIG_E500=y

default-configs/ppcemb-softmmu.mak

@@ -13,5 +13,4 @@ CONFIG_PTIMER=y
 CONFIG_I8259=y
 CONFIG_XILINX=y
 CONFIG_XILINX_ETHLITE=y
-CONFIG_OPENPIC=y
 CONFIG_LIBDECNUMBER=y