ppc: m68k: Move i2c1_clk, i2c2_clk to arch_global_data

Move these fields into arch_global_data and tidy up. This is needed for
both ppc and m68k since they share the i2c driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/m68k/cpu/mcf5227x/speed.c b/arch/m68k/cpu/mcf5227x/speed.c
index b94a9ed..c1d5930 100644
--- a/arch/m68k/cpu/mcf5227x/speed.c
+++ b/arch/m68k/cpu/mcf5227x/speed.c
@@ -135,7 +135,7 @@
 	}
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 
 	return (0);
diff --git a/arch/m68k/cpu/mcf523x/speed.c b/arch/m68k/cpu/mcf523x/speed.c
index e2a6ae3..ae46257 100644
--- a/arch/m68k/cpu/mcf523x/speed.c
+++ b/arch/m68k/cpu/mcf523x/speed.c
@@ -48,7 +48,7 @@
 	gd->cpu_clk = (gd->bus_clk * 2);
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 
 	return (0);
diff --git a/arch/m68k/cpu/mcf52x2/speed.c b/arch/m68k/cpu/mcf52x2/speed.c
index 70abed2..ba7dbaa 100644
--- a/arch/m68k/cpu/mcf52x2/speed.c
+++ b/arch/m68k/cpu/mcf52x2/speed.c
@@ -91,9 +91,9 @@
 #endif
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #ifdef CONFIG_SYS_I2C2_OFFSET
-	gd->i2c2_clk = gd->bus_clk;
+	gd->arch.i2c2_clk = gd->bus_clk;
 #endif
 #endif
 
diff --git a/arch/m68k/cpu/mcf532x/speed.c b/arch/m68k/cpu/mcf532x/speed.c
index cfdcc8b..8efb451 100644
--- a/arch/m68k/cpu/mcf532x/speed.c
+++ b/arch/m68k/cpu/mcf532x/speed.c
@@ -271,7 +271,7 @@
 	gd->cpu_clk = (gd->bus_clk * 3);
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 
 	return (0);
diff --git a/arch/m68k/cpu/mcf5445x/speed.c b/arch/m68k/cpu/mcf5445x/speed.c
index 55d1c48..b7dbc65 100644
--- a/arch/m68k/cpu/mcf5445x/speed.c
+++ b/arch/m68k/cpu/mcf5445x/speed.c
@@ -274,7 +274,7 @@
 	}
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 }
 #endif
@@ -290,7 +290,7 @@
 #endif
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 
 	return (0);
diff --git a/arch/m68k/cpu/mcf547x_8x/speed.c b/arch/m68k/cpu/mcf547x_8x/speed.c
index 31130b5..41aae9d 100644
--- a/arch/m68k/cpu/mcf547x_8x/speed.c
+++ b/arch/m68k/cpu/mcf547x_8x/speed.c
@@ -41,7 +41,7 @@
 	gd->cpu_clk = (gd->bus_clk * 2);
 
 #ifdef CONFIG_FSL_I2C
-	gd->i2c1_clk = gd->bus_clk;
+	gd->arch.i2c1_clk = gd->bus_clk;
 #endif
 
 	return (0);
diff --git a/arch/m68k/include/asm/global_data.h b/arch/m68k/include/asm/global_data.h
index fd8aacb..d9be8b1 100644
--- a/arch/m68k/include/asm/global_data.h
+++ b/arch/m68k/include/asm/global_data.h
@@ -26,6 +26,10 @@
 
 /* Architecture-specific global data */
 struct arch_global_data {
+#ifdef CONFIG_FSL_I2C
+	unsigned long	i2c1_clk;
+	unsigned long	i2c2_clk;
+#endif
 };
 
 /*
@@ -50,10 +54,6 @@
 	unsigned long	vco_clk;
 	unsigned long	flb_clk;
 #endif
-#ifdef CONFIG_FSL_I2C
-	unsigned long	i2c1_clk;
-	unsigned long	i2c2_clk;
-#endif
 	phys_size_t	ram_size;	/* RAM size */
 	unsigned long	reloc_off;	/* Relocation Offset */
 	unsigned long	reset_status;	/* reset status register at boot	*/