lcd.h: define extern vidinfo_t for all cases

include/lcd.h has different vidinfo for different platforms,
and several extern declaration, but one for the default case was
missing. This makes them a single extern declaration for everyone.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
diff --git a/include/lcd.h b/include/lcd.h
index 4d1dd9e..1f85daa 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -87,8 +87,6 @@
 	u_char	vl_wbf;		/* Wait between frames */
 } vidinfo_t;
 
-extern vidinfo_t panel_info;
-
 #elif defined CONFIG_PXA250
 /*
  * PXA LCD DMA descriptor
@@ -158,8 +156,6 @@
 	struct	pxafb_info pxa;
 } vidinfo_t;
 
-extern vidinfo_t panel_info;
-
 #elif defined(CONFIG_ATMEL_LCD)
 
 typedef struct vidinfo {
@@ -185,8 +181,6 @@
 	u_long	mmio;		/* Memory mapped registers */
 } vidinfo_t;
 
-extern vidinfo_t panel_info;
-
 #else
 
 typedef struct vidinfo {
@@ -202,6 +196,8 @@
 
 #endif /* CONFIG_MPC823, CONFIG_PXA250 or CONFIG_MCC200 or CONFIG_ATMEL_LCD */
 
+extern vidinfo_t panel_info;
+
 /* Video functions */
 
 #if defined(CONFIG_RBC823)