MIPS: move au1x00 SoC code to arch/mips/mach-au1x00

Move all au1x00 code out of arch/mips/cpu/mips32 to allow
unification of CPU code in a later patch. The reorganization
of the SoC specific header files will be done in a later patch
series.
Signed-off-by: NDaniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>

arch/mips/Makefile

@@ -8,3 +8,5 @@ head-$(CONFIG_CPU_MIPS64) := arch/mips/cpu/mips64/start.o
 libs-$(CONFIG_CPU_MIPS32) += arch/mips/cpu/mips32/
 libs-$(CONFIG_CPU_MIPS64) += arch/mips/cpu/mips64/
 libs-y += arch/mips/lib/
+
+libs-$(CONFIG_SOC_AU1X00) += arch/mips/mach-au1x00/

arch/mips/cpu/mips32/Makefile

@@ -7,5 +7,3 @@
 
 extra-y	= start.o
 obj-y	= cpu.o interrupts.o time.o
-
-obj-$(CONFIG_SOC_AU1X00) += au1x00/

arch/mips/cpu/mips32/cpu.c

@@ -32,11 +32,3 @@ void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1)
 	write_c0_index(index);
 	tlb_write_indexed();
 }
-
-int cpu_eth_init(bd_t *bis)
-{
-#ifdef CONFIG_SOC_AU1X00
-	au1x00_enet_initialize(bis);
-#endif
-	return 0;
-}

arch/mips/cpu/mips32/au1x00/au1x00_eth.c → arch/mips/mach-au1x00/au1x00_eth.c

@@ -294,3 +294,9 @@ int au1x00_enet_initialize(bd_t *bis){
 
 	return 1;
 }
+
+int cpu_eth_init(bd_t *bis)
+{
+	au1x00_enet_initialize(bis);
+	return 0;
+}