Enable verbose x86 bootup info messages

configname: CONFIG_X86_VERBOSE_BOOTUP

Linux Kernel Configuration
└─>Kernel hacking
└─>$(SRCARCH) Debugging
└─>Enable verbose x86 bootup info messages
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
Enables the informational output from the decompression stage
(e.g. bzImage) of the boot. If you disable this you will still
see errors. Disable this if you want silent bootup.