Make G5 defconfig a bit saner. In particular, we want firewire

and we do _not_ want the broken MACZILOG serial driver.

arch/ppc64/configs/g5_defconfig

@@ -286,7 +286,7 @@ CONFIG_DM_IOCTL_V4=y
 #
 # IEEE 1394 (FireWire) support (EXPERIMENTAL)
 #
-CONFIG_IEEE1394=m
+CONFIG_IEEE1394=y
 
 #
 # Subsystem Options
@@ -298,7 +298,7 @@ CONFIG_IEEE1394_OUI_DB=y
 # Device Drivers
 #
 # CONFIG_IEEE1394_PCILYNX is not set
-CONFIG_IEEE1394_OHCI1394=m
+CONFIG_IEEE1394_OHCI1394=y
 
 #
 # Protocol Drivers
@@ -308,7 +308,7 @@ CONFIG_IEEE1394_SBP2=m
 # CONFIG_IEEE1394_SBP2_PHYS_DMA is not set
 CONFIG_IEEE1394_ETH1394=m
 CONFIG_IEEE1394_DV1394=m
-CONFIG_IEEE1394_RAWIO=m
+CONFIG_IEEE1394_RAWIO=y
 # CONFIG_IEEE1394_CMP is not set
 
 #
@@ -554,10 +554,7 @@ CONFIG_HW_CONSOLE=y
 #
 # Non-8250 serial port support
 #
-CONFIG_SERIAL_CORE=y
-CONFIG_SERIAL_CORE_CONSOLE=y
-CONFIG_SERIAL_PMACZILOG=y
-CONFIG_SERIAL_PMACZILOG_CONSOLE=y
+# CONFIG_SERIAL_PMACZILOG is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_UNIX98_PTY_COUNT=256
 CONFIG_HVC_CONSOLE=y
@@ -676,7 +673,9 @@ CONFIG_FB_OF=y
 # CONFIG_FB_VGA16 is not set
 CONFIG_FB_RIVA=y
 # CONFIG_FB_MATROX is not set
+# CONFIG_FB_RADEON_OLD is not set
 CONFIG_FB_RADEON=y
+CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_ATY128 is not set
 # CONFIG_FB_ATY is not set
 # CONFIG_FB_SIS is not set