common: Move interrupt functions into a new header

These functions do not use driver model but are fairly widely used in
U-Boot. But it is not clear that they will use driver model anytime soon,
so we don't want to label them as 'legacy'.

Move them to a new irq_func.h header file. Avoid the name 'irq.h' since it
is widely used in U-Boot already.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/m68k/cpu/mcf5227x/interrupts.c b/arch/m68k/cpu/mcf5227x/interrupts.c
index d38f019..5a6a88c 100644
--- a/arch/m68k/cpu/mcf5227x/interrupts.c
+++ b/arch/m68k/cpu/mcf5227x/interrupts.c
@@ -10,6 +10,7 @@
 
 /* CPU specific interrupt routine */
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf523x/interrupts.c b/arch/m68k/cpu/mcf523x/interrupts.c
index 1d03724..b554c51 100644
--- a/arch/m68k/cpu/mcf523x/interrupts.c
+++ b/arch/m68k/cpu/mcf523x/interrupts.c
@@ -7,6 +7,7 @@
 
 /* CPU specific interrupt routine */
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf52x2/interrupts.c b/arch/m68k/cpu/mcf52x2/interrupts.c
index f874675..35ed1e7 100644
--- a/arch/m68k/cpu/mcf52x2/interrupts.c
+++ b/arch/m68k/cpu/mcf52x2/interrupts.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <irq_func.h>
 #include <watchdog.h>
 #include <asm/processor.h>
 #include <asm/immap.h>
diff --git a/arch/m68k/cpu/mcf530x/interrupts.c b/arch/m68k/cpu/mcf530x/interrupts.c
index cd85c69..2659e34 100644
--- a/arch/m68k/cpu/mcf530x/interrupts.c
+++ b/arch/m68k/cpu/mcf530x/interrupts.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf532x/interrupts.c b/arch/m68k/cpu/mcf532x/interrupts.c
index 43a903e..8f2df45 100644
--- a/arch/m68k/cpu/mcf532x/interrupts.c
+++ b/arch/m68k/cpu/mcf532x/interrupts.c
@@ -7,6 +7,7 @@
 
 /* CPU specific interrupt routine */
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf5445x/interrupts.c b/arch/m68k/cpu/mcf5445x/interrupts.c
index d38f019..5a6a88c 100644
--- a/arch/m68k/cpu/mcf5445x/interrupts.c
+++ b/arch/m68k/cpu/mcf5445x/interrupts.c
@@ -10,6 +10,7 @@
 
 /* CPU specific interrupt routine */
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf547x_8x/interrupts.c b/arch/m68k/cpu/mcf547x_8x/interrupts.c
index 2cdf53e..703090d 100644
--- a/arch/m68k/cpu/mcf547x_8x/interrupts.c
+++ b/arch/m68k/cpu/mcf547x_8x/interrupts.c
@@ -7,6 +7,7 @@
 
 /* CPU specific interrupt routine */
 #include <common.h>
+#include <irq_func.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf547x_8x/slicetimer.c b/arch/m68k/cpu/mcf547x_8x/slicetimer.c
index 544bfd2..885659e 100644
--- a/arch/m68k/cpu/mcf547x_8x/slicetimer.c
+++ b/arch/m68k/cpu/mcf547x_8x/slicetimer.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <irq_func.h>
 
 #include <asm/timer.h>
 #include <asm/immap.h>
diff --git a/arch/m68k/lib/interrupts.c b/arch/m68k/lib/interrupts.c
index 85ae3b4..ddc9199 100644
--- a/arch/m68k/lib/interrupts.c
+++ b/arch/m68k/lib/interrupts.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <irq_func.h>
 #include <watchdog.h>
 #include <asm/processor.h>
 #include <asm/immap.h>
diff --git a/arch/m68k/lib/time.c b/arch/m68k/lib/time.c
index c76c5fe..8957d19 100644
--- a/arch/m68k/lib/time.c
+++ b/arch/m68k/lib/time.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <irq_func.h>
 #include <time.h>
 
 #include <asm/timer.h>