board_f: Put video memory reservation in one function

Move the ugly #ifdefs inside the reserve_video() function so we can
collect all this init into one place.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_f.c b/common/board_f.c
index 45d3235..acefd65 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -400,9 +400,9 @@
 }
 #endif
 
-#ifdef CONFIG_DM_VIDEO
 static int reserve_video(void)
 {
+#ifdef CONFIG_DM_VIDEO
 	ulong addr;
 	int ret;
 
@@ -411,14 +411,7 @@
 	if (ret)
 		return ret;
 	gd->relocaddr = addr;
-
-	return 0;
-}
-#else
-
-# ifdef CONFIG_LCD
-static int reserve_lcd(void)
-{
+#elif defined(CONFIG_LCD)
 #  ifdef CONFIG_FB_ADDR
 	gd->fb_base = CONFIG_FB_ADDR;
 #  else
@@ -426,24 +419,17 @@
 	gd->relocaddr = lcd_setmem(gd->relocaddr);
 	gd->fb_base = gd->relocaddr;
 #  endif /* CONFIG_FB_ADDR */
-
-	return 0;
-}
-# endif /* CONFIG_LCD */
-
-# if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
+#elif defined(CONFIG_VIDEO) && \
+		(!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
 		!defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
 		!defined(CONFIG_M68K)
-static int reserve_legacy_video(void)
-{
 	/* reserve memory for video display (always full pages) */
 	gd->relocaddr = video_setmem(gd->relocaddr);
 	gd->fb_base = gd->relocaddr;
+#endif
 
 	return 0;
 }
-# endif
-#endif /* !CONFIG_DM_VIDEO */
 
 static int reserve_trace(void)
 {
@@ -901,19 +887,7 @@
 #ifdef CONFIG_ARM
 	reserve_mmu,
 #endif
-#ifdef CONFIG_DM_VIDEO
 	reserve_video,
-#else
-# ifdef CONFIG_LCD
-	reserve_lcd,
-# endif
-	/* TODO: Why the dependency on CONFIG_8xx? */
-# if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
-		!defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
-		!defined(CONFIG_M68K)
-	reserve_legacy_video,
-# endif
-#endif /* CONFIG_DM_VIDEO */
 	reserve_trace,
 	reserve_uboot,
 #ifndef CONFIG_SPL_BUILD