Blackfin: unify custom gpio commands

Now that we have a unified gpio layer, the misc partial gpio commands
can be unified and made complete (support all possible gpios).

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/tcm-bf537/Makefile b/board/tcm-bf537/Makefile
index 3812ba1..bad018a 100644
--- a/board/tcm-bf537/Makefile
+++ b/board/tcm-bf537/Makefile
@@ -29,7 +29,7 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS-y	:= $(BOARD).o flash.o gpio_cfi_flash.o
+COBJS-y	:= $(BOARD).o gpio_cfi_flash.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS-y))
diff --git a/board/tcm-bf537/flash.c b/board/tcm-bf537/flash.c
deleted file mode 100644
index 14055c6..0000000
--- a/board/tcm-bf537/flash.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * flash.c - helper commands for working with GPIO-assisted flash
- *
- * Copyright (c) 2005-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/blackfin.h>
-#include "gpio_cfi_flash.h"
-
-int do_pf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	ulong faddr = CONFIG_SYS_FLASH_BASE;
-	ushort data;
-	ulong dflg;
-
-	if (argc == 3) {
-		dflg = simple_strtoul(argv[1], NULL, 16);
-		faddr |= (dflg << 21);
-		dflg = simple_strtoul(argv[2], NULL, 16);
-		faddr |= (dflg << 22);
-		gpio_cfi_flash_swizzle((void *)faddr);
-	} else {
-		data = bfin_read_PORTFIO();
-		printf("Port F data %04x (PF4:%i PF5:%i)\n", data,
-			!!(data & PF4), !!(data & PF5));
-	}
-
-	return 0;
-}
-
-U_BOOT_CMD(pf, 3, 0, do_pf,
-	"set/clear PF4/PF5 GPIO flash bank switch\n",
-	"<pf4> <pf5> - set PF4/PF5 GPIO pin state\n");