add first bottles for apple silicon

README.md

@@ -19,7 +19,7 @@ Build the toolchain:
 
     $ brew install riscv-tools
 
-If you have macOS Sonoma (14), `riscv-tools` will be installed from precompiled binaries. If you do not have Ventura (for x86), `riscv-tools` will be built from source. Note building from source will require approximately 6.5 GB for all of the source and intermediate build files. It builds with the default compiler (clang), but you can specify another compiler on the command line. For example:
+If you have macOS Sonoma (14), `riscv-tools` will be installed from precompiled binaries. If you do not have Ventura, `riscv-tools` will be built from source. Note building from source will require approximately 6.5 GB for all of the source and intermediate build files. It builds with the default compiler (clang), but you can specify another compiler on the command line. For example:
 
     $ brew install --cc=gcc-10 riscv-tools
 

riscv-gnu-toolchain.rb

@@ -32,6 +32,7 @@ class RiscvGnuToolchain < Formula
     root_url "http://riscv.org.s3.amazonaws.com/bottles"
     rebuild 15
     sha256 sonoma: "ef2e103e306aa3e4794d8bd5609618835e10260a44fe4502fe7d30beddf0f509"
+    sha256 arm64_sonoma: "0131cce13fae8b9c40d48b2b7cee3682bf1def0430281a2af7f7f8569efb93ac"
   end
 
   # enabling multilib by default, must choose to build without

riscv-isa-sim.rb

@@ -8,6 +8,7 @@ class RiscvIsaSim < Formula
     root_url "http://riscv.org.s3.amazonaws.com/bottles"
     rebuild 17
     sha256 cellar: :any, sonoma: "11f640bb01a1b3ad864ab689257e1ae684b281f035d1343d9b415761e6b4cd23"
+    sha256 cellar: :any, arm64_sonoma: "471cd017418fb75b8b2f6eb6e6d79952f9741b7c6c70782267aa95fedff0b58f"
   end
 
   depends_on "dtc"

riscv-pk.rb

@@ -8,6 +8,7 @@ class RiscvPk < Formula
     root_url "http://riscv.org.s3.amazonaws.com/bottles"
     rebuild 15
     sha256 cellar: :any_skip_relocation, sonoma: "45ab4dd82407aee685ffbd049ad0df0cfced02e4e3c207b4d8d2e91e4ad91351"
+    sha256 cellar: :any_skip_relocation, arm64_sonoma: "bca6e44547bbc7febc10f0004a007a7c0eb99e239ae99790b83c7d82a0adfbad"
   end
 
   depends_on "gnu-sed" => :build