CONFIG_MACH_H5000 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

HP iPAQ h5000

modulename: h5000.ko

configname: CONFIG_MACH_H5000

Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>HP iPAQ h5000
In linux kernel since version 2.6.29 (release Date: 2009-03-23)  
source code:
arch/arm/mach-pxa/h5000.c
selects
CONFIG_PXA25x