configs: pm9g45: adapt boot arguments and boot command

This patch modifies boot arguments and boot command to load 512KB DTB and
8MB Linux Kernel

Signed-off-by: Ilko Iliev <iliev@ronetix.at>
diff --git a/configs/pm9g45_defconfig b/configs/pm9g45_defconfig
index e7b4d96..9b22d4a 100644
--- a/configs/pm9g45_defconfig
+++ b/configs/pm9g45_defconfig
@@ -14,15 +14,15 @@
 CONFIG_DEBUG_UART_BASE=0xffffee00
 CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_ENV_OFFSET_REDUND=0x100000
-CONFIG_SYS_LOAD_ADDR=0x22000000
+CONFIG_SYS_LOAD_ADDR=0x70000000
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_MONITOR_LEN=524288
 CONFIG_NAND_BOOT=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="fbcon=rotate:3 console=tty0 console=ttyS0,115200 root=/dev/mtdblock4 mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,1664k(env),2M(linux)ro,-(root) rw rootfstype=jffs2"
+CONFIG_BOOTARGS="console=ttyS0,115200 mtdparts=atmel_nand:128k(bootstrap)ro,640k(uboot)ro,256k(env),256k(env_redundant),256k(spare),512k(dtb),8M(kernel)ro,-(rootfs) root=/dev/mtdblock7 rw rootfstype=jffs2"
 CONFIG_USE_BOOTCOMMAND=y
-CONFIG_BOOTCOMMAND="nand read 0x70000000 0x200000 0x300000;bootm 0x70000000"
+CONFIG_BOOTCOMMAND="nand read 0x70000000 0x180000 0x880000; nand read 0x70080000 0x200000 0x800000; bootz 0x70080000 - 0x70000000"
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_RESET_PHY_R=y