CONFIG_SUN5I_HSTIMER is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_SUN5I_HSTIMER (not configurable)

modulename: timer-sun5i.ko

configname: CONFIG_SUN5I_HSTIMER

Linux Kernel Configuration
└─>Device Drivers
└─>SUN5I_HSTIMER
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:

depends
 or CONFIG_COMMON_CLK |
| CONFIG_GENERIC_CLOCKEVENTS or  NOT CONFIG_ARCH_USES_GETTIMEOFFSET

is depended by
CONFIG_ARCH_SUNXI