qemu-ppc-bamboo: move serial driver away from mini.config

target/linux/config/Config.in.serial

@@ -41,12 +41,14 @@ config ADK_KERNEL_SERIAL_8250
 		|| ADK_TARGET_SYSTEM_PCENGINES_APU \
 		|| ADK_TARGET_SYSTEM_PCENGINES_ALIX \
 		|| ADK_TARGET_SYSTEM_QEMU_OR1K \
+		|| ADK_TARGET_SYSTEM_QEMU_PPC_BAMBOO \
 		|| ADK_TARGET_SYSTEM_IBM_X40 \
 		|| ADK_TARGET_SYSTEM_MIKROTIK_RB532
 	default y if ADK_TARGET_SYSTEM_XILINX_KINTEX7
 	default y if ADK_TARGET_SYSTEM_PCENGINES_APU
 	default y if ADK_TARGET_SYSTEM_PCENGINES_ALIX
 	default y if ADK_TARGET_SYSTEM_QEMU_OR1K
+	default y if ADK_TARGET_SYSTEM_QEMU_PPC_BAMBOO
 	default y if ADK_TARGET_SYSTEM_IBM_X40
 	default y if ADK_TARGET_SYSTEM_MIKROTIK_RB532
 	default n

target/ppc/kernel/qemu-ppc-bamboo

@@ -1,8 +1,4 @@
 CONFIG_PPC=y
 CONFIG_PPC32=y
-CONFIG_32BIT=y
 CONFIG_44x=y
 CONFIG_BAMBOO=y
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-