imximage.cfg: run files through C preprocessor

The '#' used as comments in the files cause the preprocessor
trouble, so change to /* */.

The mkimage command which uses this preprocessor output
was moved to arch/arm/imx-common/Makefile

.gitignore was updated to ignore .cfgtmp files.

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
diff --git a/board/freescale/mx53ard/imximage_dd3.cfg b/board/freescale/mx53ard/imximage_dd3.cfg
index 614d29e..4633e4d 100644
--- a/board/freescale/mx53ard/imximage_dd3.cfg
+++ b/board/freescale/mx53ard/imximage_dd3.cfg
@@ -1,48 +1,51 @@
-#
-# (C) Copyright 2009
-# Stefano Babic DENX Software Engineering sbabic@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not write to the Free Software
-# Foundation Inc. 51 Franklin Street Fifth Floor Boston,
-# MA 02110-1301 USA
-#
-# Refer docs/README.imxmage for more details about how-to configure
-# and create imximage boot image
-#
-# The syntax is taken as close as possible with the kwbimage
+/*
+ * (C) Copyright 2009
+ * Stefano Babic DENX Software Engineering sbabic@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not write to the Free Software
+ * Foundation Inc. 51 Franklin Street Fifth Floor Boston,
+ * MA 02110-1301 USA
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
 
-# image version
-
+/* image version */
 IMAGE_VERSION 2
 
-# Boot Device : one of
-# spi, sd (the board has no nand neither onenand)
-
+/*
+ * Boot Device : one of
+ * spi, sd (the board has no nand neither onenand)
+ */
 BOOT_FROM	sd
 
-# Device Configuration Data (DCD)
-#
-# Each entry must have the format:
-# Addr-type           Address        Value
-#
-# where:
-#	Addr-type register length (1,2 or 4 bytes)
-#	Address	  absolute address of the register
-#	value	  value to be stored in the register
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
 DATA 4 0x53fa8554 0x00300000
 DATA 4 0x53fa8558 0x00300040
 DATA 4 0x53fa8560 0x00300000