common: move extern char console_buffer[] to common.h

Extract all extern declarations for console_buffer[] out of c files into
the common.h header.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: Frank Gottschling <fgottschling@eltec.de>
Cc: Murray Jensen <Murray.Jensen@csiro.au>
diff --git a/board/amcc/yucca/cmd_yucca.c b/board/amcc/yucca/cmd_yucca.c
index e9cd333..f45325e 100644
--- a/board/amcc/yucca/cmd_yucca.c
+++ b/board/amcc/yucca/cmd_yucca.c
@@ -51,7 +51,6 @@
 	uchar	chip;
 	ulong	data;
 	int	nbytes;
-	extern char console_buffer[];
 
 	char sysClock[4];
 	char cpuClock[4];
diff --git a/board/eltec/bab7xx/misc.c b/board/eltec/bab7xx/misc.c
index bc6eb40..d05e226 100644
--- a/board/eltec/bab7xx/misc.c
+++ b/board/eltec/bab7xx/misc.c
@@ -31,7 +31,6 @@
 #include "srom.h"
 
 /* imports  */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
 extern int l2_cache_enable (int l2control);
 extern void *nvram_read (void *dest, const short src, size_t count);
 extern void nvram_write (short dest, const void *src, size_t count);
diff --git a/board/eltec/elppc/misc.c b/board/eltec/elppc/misc.c
index cbaf10b..d476cd5 100644
--- a/board/eltec/elppc/misc.c
+++ b/board/eltec/elppc/misc.c
@@ -29,7 +29,6 @@
 #include "srom.h"
 
 /* imports  */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
 extern int l2_cache_enable (int l2control);
 extern int eepro100_write_eeprom (struct eth_device *dev, int location,
 				  int addr_len, unsigned short data);
diff --git a/board/eltec/mhpc/mhpc.c b/board/eltec/mhpc/mhpc.c
index 7cca6b2..e806b3e 100644
--- a/board/eltec/mhpc/mhpc.c
+++ b/board/eltec/mhpc/mhpc.c
@@ -35,9 +35,6 @@
 #include "mpc8xx.h"
 #include <video_fb.h>
 
-/* imports from common/main.c */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
-
 extern void eeprom_init (void);
 extern int eeprom_read (unsigned dev_addr, unsigned offset,
 			unsigned char *buffer, unsigned cnt);
diff --git a/board/hymod/input.c b/board/hymod/input.c
index 1a2b8d2..0a58015 100644
--- a/board/hymod/input.c
+++ b/board/hymod/input.c
@@ -23,9 +23,6 @@
 
 #include <common.h>
 
-/* imports from common/main.c */
-extern char console_buffer[CONFIG_SYS_CBSIZE];
-
 int
 hymod_get_serno (const char *prompt)
 {
diff --git a/common/cmd_bedbug.c b/common/cmd_bedbug.c
index 2bd62e2..87b108f 100644
--- a/common/cmd_bedbug.c
+++ b/common/cmd_bedbug.c
@@ -15,7 +15,6 @@
 
 extern void show_regs __P ((struct pt_regs *));
 extern int run_command __P ((const char *, int));
-extern char console_buffer[];
 
 ulong dis_last_addr = 0;	/* Last address disassembled   */
 ulong dis_last_len = 20;	/* Default disassembler length */
diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c
index 45fe66a..568e226 100644
--- a/common/cmd_dcr.c
+++ b/common/cmd_dcr.c
@@ -68,7 +68,6 @@
 
 	/* DCR's value */
 	int nbytes;
-	extern char console_buffer[];
 
 	/* Validate arguments */
 	if (argc < 2)
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
index a0c5291..e795139 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -449,7 +449,6 @@
 	ulong	data;
 	int	size = 1;
 	int	nbytes;
-	extern char console_buffer[];
 
 	if (argc != 3)
 		return cmd_usage(cmdtp);
diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index 28476d7..f7e76d6 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -977,7 +977,6 @@
 {
 	ulong	addr, i;
 	int	nbytes, size;
-	extern char console_buffer[];
 
 	if (argc != 2)
 		return cmd_usage(cmdtp);
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 3beca5e..80fd132 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -423,7 +423,6 @@
 #if defined(CONFIG_CMD_ASKENV)
 int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	extern char console_buffer[CONFIG_SYS_CBSIZE];
 	char message[CONFIG_SYS_CBSIZE];
 	int size = CONFIG_SYS_CBSIZE - 1;
 	int i, len, pos;
diff --git a/common/cmd_pci.c b/common/cmd_pci.c
index 92631ea..1e477bc 100644
--- a/common/cmd_pci.c
+++ b/common/cmd_pci.c
@@ -341,7 +341,6 @@
 {
 	ulong	i;
 	int	nbytes;
-	extern char console_buffer[];
 	uint	val4;
 	ushort  val2;
 	u_char	val1;
diff --git a/common/hush.c b/common/hush.c
index 2495a6d..e8e24d7 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -1000,7 +1000,6 @@
 	fflush(stdout);
 	i->p = the_command;
 #else
-	extern char console_buffer[];
 	int n;
 	static char the_command[CONFIG_SYS_CBSIZE];
 
diff --git a/common/modem.c b/common/modem.c
index a017b29..e37e1ea 100644
--- a/common/modem.c
+++ b/common/modem.c
@@ -62,7 +62,6 @@
 	char env_str[16];
 	char *init_str;
 	int i;
-	extern char console_buffer[];
 	extern void enable_putc(void);
 	extern int hwflow_onoff(int);
 
diff --git a/include/common.h b/include/common.h
index 5ca8820..05a658c 100644
--- a/include/common.h
+++ b/include/common.h
@@ -272,6 +272,7 @@
 #ifdef CONFIG_MENU
 int	abortboot(int bootdelay);
 #endif
+extern char console_buffer[];
 
 /* arch/$(ARCH)/lib/board.c */
 void	board_init_f  (ulong) __attribute__ ((noreturn));