os/mac/hardware/cpu: add M4 Pro/Max

Sources:
- https://github.com/AsahiLinux/docs/wiki/Codenames
- MacOSX15.2.sdk from Xcode 15.2 RC

Library/Homebrew/extend/os/mac/hardware/cpu.rb

@@ -129,6 +129,8 @@ module Hardware
           :arm_palma
         when 0x6f5129ac             # ARMv9.2-A (M4, Donan)
           :arm_donan
+        when 0x17d5b93a             # ARMv9.2-A (M4 Pro / M4 Max, Brava)
+          :arm_brava
         else
           # When adding new ARM CPU families, please also update
           # test/hardware/cpu_spec.rb to include the new families.

Library/Homebrew/test/hardware/cpu_spec.rb

@@ -29,6 +29,7 @@ RSpec.describe Hardware::CPU do
         :amd_k12,
         :arm,
         :arm_blizzard_avalanche,
+        :arm_brava,
         :arm_donan,
         :arm_firestorm_icestorm,
         :arm_hurricane_zephyr,