board: ti: j721e: Set fdtfile from C code instead of findfdt script

We now can provide a map and have the standard fdtfile variable set from
code itself. This allows for bootstd to "just work".

While at this, replace findfdt in environment with a warning as it is no
longer needed.

Reviewed-by: Jonathan Humphreys <j-humphreys@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Nishanth Menon <nm@ti.com>

board/ti/j721e/evm.c

@@ -16,6 +16,7 @@
 #include <dm.h>
 
 #include "../common/board_detect.h"
+#include "../common/fdt_ops.h"
 
 #define board_is_j721e_som()	(board_ti_k3_is("J721EX-PM1-SOM") || \
 				 board_ti_k3_is("J721EX-PM2-SOM"))
@@ -353,6 +354,12 @@ static int probe_daughtercards(void)
 #endif
 
 #ifdef CONFIG_BOARD_LATE_INIT
+static struct ti_fdt_map ti_j721e_evm_fdt_map[] = {
+	{"j721e", "k3-j721e-common-proc-board.dtb"},
+	{"j721e-sk", "k3-j721e-sk.dtb"},
+	{"j7200", "k3-j7200-common-proc-board.dtb"},
+	{ /* Sentinel. */ }
+};
 static void setup_board_eeprom_env(void)
 {
 	char *name = "j721e";
@@ -372,6 +379,7 @@ static void setup_board_eeprom_env(void)
 
 invalid_eeprom:
 	set_board_info_env_am6(name);
+	ti_set_fdt_env(name, ti_j721e_evm_fdt_map);
 }
 
 static void setup_serial(void)

board/ti/j721e/j721e.env

@@ -7,16 +7,6 @@
 #include <env/ti/k3_rproc.env>
 #endif
 
-default_device_tree=ti/k3-j721e-common-proc-board.dtb
-findfdt=
-	setenv name_fdt ${default_device_tree};
-	if test $board_name = j721e; then
-		setenv name_fdt ti/k3-j721e-common-proc-board.dtb; fi;
-	if test $board_name = j7200; then
-		setenv name_fdt ti/k3-j7200-common-proc-board.dtb; fi;
-	if test $board_name = j721e-eaik || test $board_name = j721e-sk; then
-		setenv name_fdt ti/k3-j721e-sk.dtb; fi;
-	setenv fdtfile ${name_fdt}
 name_kern=Image
 console=ttyS2,115200n8
 args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000