powerpc: Fix build warning of the defconfigs

BT_L2CAP and BT_SCO have changed to bool .
Value 'm' has invalid .

Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/configs/pmac32_defconfig b/arch/powerpc/configs/pmac32_defconfig
index ac4fc41..f8b394a 100644
--- a/arch/powerpc/configs/pmac32_defconfig
+++ b/arch/powerpc/configs/pmac32_defconfig
@@ -112,8 +112,8 @@
 CONFIG_IRDA_FAST_RR=y
 CONFIG_IRTTY_SIR=m
 CONFIG_BT=m
-CONFIG_BT_L2CAP=m
-CONFIG_BT_SCO=m
+CONFIG_BT_L2CAP=y
+CONFIG_BT_SCO=y
 CONFIG_BT_RFCOMM=m
 CONFIG_BT_RFCOMM_TTY=y
 CONFIG_BT_BNEP=m