Makefile: add riscv32imac target in setup
The hifive1 board needs the 'a' atomic operations as well. Install that
target during setup.
Signed-off-by: Dylan Reid <dgreid@chromium.org>
diff --git a/Makefile b/Makefile
index aed9943..1467c1a 100644
--- a/Makefile
+++ b/Makefile
@@ -33,6 +33,7 @@
.PHONY: setup
setup:
rustup target add thumbv7em-none-eabi
+ rustup target add riscv32imac-unknown-none-elf
rustup target add riscv32imc-unknown-none-elf
rustup component add rustfmt
rustup component add clippy
