board: MCR3000: Use lowercase filenames

Rename MCR3000.* to mcr3000.* to be more in line with
other boards.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
diff --git a/arch/powerpc/cpu/mpc8xx/Kconfig b/arch/powerpc/cpu/mpc8xx/Kconfig
index d630711..65293ae 100644
--- a/arch/powerpc/cpu/mpc8xx/Kconfig
+++ b/arch/powerpc/cpu/mpc8xx/Kconfig
@@ -84,6 +84,6 @@
 	help
 	  Debug Event Register (37-47)
 
-source "board/cssi/MCR3000/Kconfig"
+source "board/cssi/mcr3000/Kconfig"
 
 endmenu
diff --git a/board/cssi/MAINTAINERS b/board/cssi/MAINTAINERS
index 7d237b0..e1c0baa 100644
--- a/board/cssi/MAINTAINERS
+++ b/board/cssi/MAINTAINERS
@@ -2,5 +2,5 @@
 M:	Christophe Leroy <christophe.leroy@csgroup.eu>
 S:	Maintained
 F:	board/cssi/
-F:	include/configs/MCR3000.h
+F:	include/configs/mcr3000.h
 F:	configs/MCR3000_defconfig
diff --git a/board/cssi/MCR3000/Kconfig b/board/cssi/mcr3000/Kconfig
similarity index 78%
rename from board/cssi/MCR3000/Kconfig
rename to board/cssi/mcr3000/Kconfig
index dbe2d5f..ea073d9 100644
--- a/board/cssi/MCR3000/Kconfig
+++ b/board/cssi/mcr3000/Kconfig
@@ -1,13 +1,13 @@
 if TARGET_MCR3000
 
 config SYS_BOARD
-	default "MCR3000"
+	default "mcr3000"
 
 config SYS_VENDOR
 	default "cssi"
 
 config SYS_CONFIG_NAME
-	default "MCR3000"
+	default "mcr3000"
 
 config TEXT_BASE
 	default 0x04000000
diff --git a/board/cssi/MCR3000/Makefile b/board/cssi/mcr3000/Makefile
similarity index 89%
rename from board/cssi/MCR3000/Makefile
rename to board/cssi/mcr3000/Makefile
index 68d6812..7803016 100644
--- a/board/cssi/MCR3000/Makefile
+++ b/board/cssi/mcr3000/Makefile
@@ -4,5 +4,5 @@
 # Christophe Leroy <christophe.leroy@c-s.fr>
 #
 
-obj-y += MCR3000.o
+obj-y += mcr3000.o
 obj-$(CONFIG_CMD_NAND) += nand.o
diff --git a/board/cssi/MCR3000/MCR3000.c b/board/cssi/mcr3000/mcr3000.c
similarity index 100%
rename from board/cssi/MCR3000/MCR3000.c
rename to board/cssi/mcr3000/mcr3000.c
diff --git a/board/cssi/MCR3000/nand.c b/board/cssi/mcr3000/nand.c
similarity index 100%
rename from board/cssi/MCR3000/nand.c
rename to board/cssi/mcr3000/nand.c
diff --git a/board/cssi/MCR3000/u-boot.lds b/board/cssi/mcr3000/u-boot.lds
similarity index 100%
rename from board/cssi/MCR3000/u-boot.lds
rename to board/cssi/mcr3000/u-boot.lds
diff --git a/include/configs/MCR3000.h b/include/configs/mcr3000.h
similarity index 100%
rename from include/configs/MCR3000.h
rename to include/configs/mcr3000.h