Update to latest HALs, various fixes/cleanup #96

Job	Run time
check-xtensa (esp32, xtensa-esp32-none-elf)	2m 5s
clippy-riscv (esp32c2, riscv32imc-unknown-none-elf)	39s
check-xtensa (esp32s2, xtensa-esp32s2-none-elf)	2m 4s
check-riscv (esp32c2, riscv32imc-unknown-none-elf)	41s
clippy-riscv (esp32c3, riscv32imc-unknown-none-elf)	41s
check-xtensa (esp32s3, xtensa-esp32s3-none-elf)	2m 9s
clippy-xtensa (esp32, xtensa-esp32-none-elf)	1m 57s
check-riscv (esp32c3, riscv32imc-unknown-none-elf)	41s
clippy-xtensa (esp32s2, xtensa-esp32s2-none-elf)	2m 3s
clippy-riscv (esp32c6, riscv32imac-unknown-none-elf)	44s
check-riscv (esp32c6, riscv32imac-unknown-none-elf)	45s
clippy-riscv (esp32h2, riscv32imac-unknown-none-elf)	41s
clippy-xtensa (esp32s3, xtensa-esp32s3-none-elf)	2m 14s
msrv-riscv (esp32c2, riscv32imc-unknown-none-elf)	1m 8s
check-riscv (esp32h2, riscv32imac-unknown-none-elf)	45s
msrv-riscv (esp32c3, riscv32imc-unknown-none-elf)	1m 11s
msrv-riscv (esp32c6, riscv32imac-unknown-none-elf)	1m 17s
msrv-xtensa (esp32, xtensa-esp32-none-elf)	2m 41s
msrv-riscv (esp32h2, riscv32imac-unknown-none-elf)	1m 6s
msrv-xtensa (esp32s2, xtensa-esp32s2-none-elf)	2m 41s
rustfmt	24s
msrv-xtensa (esp32s3, xtensa-esp32s3-none-elf)	2m 40s
	31m 17s

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