Specify command line parameters that could change directly in kernel

Change-Id: Iea87ef14ed3dc1f4c6b0c8b1e26844a3c8c05763
diff --git a/arch/arm/configs/bruno_gfhd254_defconfig b/arch/arm/configs/bruno_gfhd254_defconfig
index 1484613..76f7905 100644
--- a/arch/arm/configs/bruno_gfhd254_defconfig
+++ b/arch/arm/configs/bruno_gfhd254_defconfig
@@ -34,6 +34,8 @@
 CONFIG_CMA=y
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_ARM_ATAG_DTB_COMPAT=y
+CONFIG_CMDLINE="bootlog=1M@63M log_buf_len=8388608 slub_debug=F softlockup_all_cpu_backtrace=1 vmalloc=248m bmem=528m@1504m bmem=520m@2536m"
+CONFIG_CMDLINE_EXTEND=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y