arm: mvebu: turris_omnia: update factory reset command

Set generic rescue_mode variable used in newer rescue modes and
expect FIR image in NOR to be LZMA compressed.
Also use sfp FIR image configuration if SFP module is found.
Signed-off-by: Michal Hrusecky <michal.hrusecky@nic.cz>
Signed-off-by: Marek Behún <marek.behun@nic.cz>

board/CZ.NIC/turris_omnia/turris_omnia.c

@@ -341,10 +341,15 @@ static int set_regdomain(void)
 	"mw.l 0x01000000 0x00ff000c; " \
 	"i2c write 0x01000000 0x2a.1 0x5 4 -s; " \
 	"setenv bootargs \"earlyprintk console=ttyS0,115200" \
-			" omniarescue=$omnia_reset\"; " \
+			" omniarescue=$omnia_reset rescue_mode=$omnia_reset\"; " \
 	"sf probe; " \
 	"sf read 0x1000000 0x100000 0x700000; " \
-	"bootm 0x1000000; " \
+	"lzmadec 0x1000000 0x1700000; " \
+	"if gpio input gpio@71_4; then " \
+	    "bootm 0x1700000#sfp; " \
+	"else " \
+	    "bootm 0x1700000; " \
+	"fi;" \
 	"bootz 0x1000000"
 
 static void handle_reset_button(void)