CONFIG_MACH_TS219 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_TS219.
Result is shown for kernelversion 6.5.1

QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS

modulename: ts219-setup.ko

configname: CONFIG_MACH_TS219

Linux Kernel Configuration
└─>Marvell Kirkwood Implementations
└─>QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS
In linux kernel since version 2.6.30 (release Date: 2009-06-09)  
Say 'Y' here if you want your kernel to support the
QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and
TS-219P+ Turbo NAS devices.

source code: