matroxfb: Initialize fbcon's cmap.

drivers/video/matrox/matroxfb_base.c

@@ -1680,6 +1680,7 @@ static int initMatrox2(WPMINFO struct board* b){
 	/* after __init time we are like module... no logo */
 	ACCESS_FBINFO(fbcon.flags) = hotplug ? FBINFO_FLAG_MODULE : FBINFO_FLAG_DEFAULT;
 	ACCESS_FBINFO(video.len_usable) &= PAGE_MASK;
+	fb_alloc_cmap(&ACCESS_FBINFO(fbcon.cmap), 256, 1);
 
 #ifndef MODULE
 	/* mode database is marked __init!!! */

drivers/video/matrox/matroxfb_crtc2.c

@@ -605,6 +605,7 @@ static int matroxfb_dh_regit(CPMINFO struct matroxfb_dh_fb_info* m2info) {
 	m2info->fbcon.flags = FBINFO_FLAG_DEFAULT;
 	m2info->fbcon.currcon = -1;
 	m2info->fbcon.pseudo_palette = m2info->cmap;
+	fb_alloc_cmap(&m2info->fbcon.cmap, 256, 1);
 
 	if (mem < 64)
 		mem *= 1024;