baresip: Use UCI for basic service configuration #286

Job	Run time
Feeds Package Test Build / Test aarch64_generic	37m 48s
Feeds Package Test Build / Test arm_cortex-a15_neon-vfpv4	36m 0s
Feeds Package Test Build / Test arm_cortex-a9_vfpv3-d16	35m 43s
Feeds Package Test Build / Test i386_pentium-mmx	32m 44s
Feeds Package Test Build / Test mips_24kc	33m 23s
Feeds Package Test Build / Test mipsel_24kc	33m 25s
Feeds Package Test Build / Test powerpc_464fp	37m 12s
Feeds Package Test Build / Test powerpc_8548	33m 31s
Feeds Package Test Build / Test riscv64_riscv64	31m 56s
Feeds Package Test Build / Test x86_64	38m 53s
	5h 50m 35s

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