ppc: Move lbc_clk and cpu to arch_global_data

Move these fields into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Update for bsc9132qds.c, b4860qds.c]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 9b9832c..df2ab6d 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -104,7 +104,7 @@
 		puts("CPU:   ");
 	}
 
-	cpu = gd->cpu;
+	cpu = gd->arch.cpu;
 
 	puts(cpu->name);
 	if (IS_E_PROCESSOR(svr))
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 3a268aa..d381cf9 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -637,9 +637,9 @@
 		"bus-frequency", bd->bi_busfreq, 1);
 
 	do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
-		"bus-frequency", gd->lbc_clk, 1);
+		"bus-frequency", gd->arch.lbc_clk, 1);
 	do_fixup_by_compat_u32(blob, "fsl,elbc",
-		"bus-frequency", gd->lbc_clk, 1);
+		"bus-frequency", gd->arch.lbc_clk, 1);
 #ifdef CONFIG_QE
 	ft_qe_setup(blob);
 	ft_fixup_qe_snum(blob);
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index c4ca481..f3132fb 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -391,7 +391,7 @@
 	gd->cpu_clk = sys_info.freqProcessor[0];
 	gd->bus_clk = sys_info.freqSystemBus;
 	gd->mem_clk = sys_info.freqDDRBus;
-	gd->lbc_clk = sys_info.freqLocalBus;
+	gd->arch.lbc_clk = sys_info.freqLocalBus;
 
 #ifdef CONFIG_QE
 	gd->qe_clk = sys_info.freqQE;