MIPS: STB8550: Move boards over to obj-y

Preparatory cleanup for moving Alchemy over to new  MIPS Platform build
system support.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Makefile

@@ -208,13 +208,13 @@ cflags-$(CONFIG_SOC_PNX8550)	+= -I$(srctree)/arch/mips/include/asm/mach-pnx8550
 #
 # NXP PNX8550 JBS board
 #
-libs-$(CONFIG_PNX8550_JBS)	+= arch/mips/pnx8550/jbs/
+core-$(CONFIG_PNX8550_JBS)	+= arch/mips/pnx8550/jbs/
 #cflags-$(CONFIG_PNX8550_JBS)	+= -I$(srctree)/arch/mips/include/asm/mach-pnx8550
 load-$(CONFIG_PNX8550_JBS)	+= 0xffffffff80060000
 
 # NXP PNX8550 STB810 board
 #
-libs-$(CONFIG_PNX8550_STB810)	+= arch/mips/pnx8550/stb810/
+core-$(CONFIG_PNX8550_STB810)	+= arch/mips/pnx8550/stb810/
 load-$(CONFIG_PNX8550_STB810)	+= 0xffffffff80060000
 
 cflags-y			+= -I$(srctree)/arch/mips/include/asm/mach-generic

arch/mips/pnx8550/jbs/Makefile

 
 # Makefile for the NXP JBS Board.
 
-lib-y := init.o board_setup.o irqmap.o
+obj-y := init.o board_setup.o irqmap.o

arch/mips/pnx8550/stb810/Makefile

 
 # Makefile for the NXP STB810 Board.
 
-lib-y := prom_init.o board_setup.o irqmap.o
+obj-y := prom_init.o board_setup.o irqmap.o