board: MCR3000: Migrate to using CONFIG_EXTRA_ENV_TEXT

We can move all of the environment changes to come
from CONFIG_EXTRA_ENV_TEXT.

Suggested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
diff --git a/board/cssi/mcr3000/mcr3000.env b/board/cssi/mcr3000/mcr3000.env
new file mode 100644
index 0000000..542d90e
--- /dev/null
+++ b/board/cssi/mcr3000/mcr3000.env
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+sdram_type=SDRAM
+flash_type=AM29LV160DB
+loadaddr=0x400000
+filename=uImage.lzma
+nfsroot=/opt/ofs
+dhcp_ip=ip=:::::eth0:dhcp
+console_args=console=ttyCPM0,115200N8
+flashboot=setenv bootargs ${console_args} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:mcr3k:eth0:off;${ofl_args}; bootm 0x04060000 - 0x04050000
+tftpboot=setenv bootargs ${console_args} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:mcr3k:eth0:off ${ofl_args}; tftp ${loadaddr} ${filename};tftp 0xf00000 mcr3000.dtb;bootm ${loadaddr} - 0xf00000
+netboot=dhcp ${loadaddr} ${filename};tftp 0xf00000 mcr3000.dtb;setenv bootargs root=/dev/nfs rw ${console_args} ${dhcp_ip};bootm ${loadaddr} - 0xf00000
+nfsboot=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${nfsroot} ${console_args} ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:mcr3k:eth0:off;bootm 0x04060000 - 0x04050000
+dhcpboot=dhcp ${loadaddr} ${filename};tftp 0xf00000 mcr3000.dtb;setenv bootargs ${console_args} ${dhcp_ip} ${ofl_args}; bootm ${loadaddr} - 0xf00000
diff --git a/include/configs/mcr3000.h b/include/configs/mcr3000.h
index c6929c1..8d78fd3 100644
--- a/include/configs/mcr3000.h
+++ b/include/configs/mcr3000.h
@@ -9,49 +9,6 @@
 
 /* High Level Configuration Options */
 
-#define CFG_EXTRA_ENV_SETTINGS					\
-	"sdram_type=SDRAM\0"						\
-	"flash_type=AM29LV160DB\0"					\
-	"loadaddr=0x400000\0"						\
-	"filename=uImage.lzma\0"					\
-	"nfsroot=/opt/ofs\0"						\
-	"dhcp_ip=ip=:::::eth0:dhcp\0"					\
-	"console_args=console=ttyCPM0,115200N8\0"			\
-	"flashboot=setenv bootargs "					\
-		"${console_args} "					\
-		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:"	\
-		"mcr3k:eth0:off;"					\
-		"${ofl_args}; "						\
-		"bootm 0x04060000 - 0x04050000\0"			\
-	"tftpboot=setenv bootargs "					\
-		"${console_args} "					\
-		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:"	\
-		"mcr3k:eth0:off "					\
-		"${ofl_args}; "						\
-		"tftp ${loadaddr} ${filename};"				\
-		"tftp 0xf00000 mcr3000.dtb;"				\
-		"bootm ${loadaddr} - 0xf00000\0"			\
-	"netboot=dhcp ${loadaddr} ${filename};"				\
-		"tftp 0xf00000 mcr3000.dtb;"				\
-		"setenv bootargs "					\
-		"root=/dev/nfs rw "					\
-		"${console_args} "					\
-		"${dhcp_ip};"						\
-		"bootm ${loadaddr} - 0xf00000\0"			\
-	"nfsboot=setenv bootargs "					\
-		"root=/dev/nfs rw nfsroot=${serverip}:${nfsroot} "	\
-		"${console_args} "					\
-		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:"	\
-		"mcr3k:eth0:off;"					\
-		"bootm 0x04060000 - 0x04050000\0"			\
-	"dhcpboot=dhcp ${loadaddr} ${filename};"			\
-		"tftp 0xf00000 mcr3000.dtb;"				\
-		"setenv bootargs "					\
-		"${console_args} "					\
-		"${dhcp_ip} "						\
-		"${ofl_args}; "						\
-		"bootm ${loadaddr} - 0xf00000\0"
-
 /* Miscellaneous configurable options */
 
 /* Definitions for initial stack pointer and data area (in DPRAM) */