Fix invalid NEON instructions for armv6 Raspberry Pi's #108

Job	Run time
(Linux x86_64) Build curl-impersonate and run the tests	27s
(Linux x86_64) Build curl-impersonate and run the tests	9m 1s
(MacOS x86_64) Build curl-impersonate and run the tests	24s
(MacOS x86_64) Build curl-impersonate and run the tests	5m 42s
(Linux i386) Build curl-impersonate and run the tests	25s
(Linux i386) Build curl-impersonate and run the tests	3m 49s
(MacOS arm64) Build curl-impersonate and run the tests	15s
(MacOS arm64) Build curl-impersonate and run the tests	4m 50s
(Linux aarch64) Build curl-impersonate and run the tests	25s
(Linux aarch64) Build curl-impersonate and run the tests	3m 33s
(Linux arm) Build curl-impersonate and run the tests	24s
(Linux arm) Build curl-impersonate and run the tests	8m 2s
	37m 17s

Provide feedback