Tell docs.rs to only build for appropriate arm target

Author: thejpster

cortex-a-rt/Cargo.toml

@@ -26,3 +26,6 @@ vfp-dp = []
 
 [build-dependencies]
 arm-targets = {version = "0.1.0", path = "../arm-targets"}
+
+[package.metadata.docs.rs]
+targets = ["armv7a-none-eabihf"]

cortex-ar/Cargo.toml

@@ -43,3 +43,6 @@ critical-section-single-core = ["critical-section"]
 critical-section-multi-core = ["critical-section"]
 # Adds defmt::Format implementation for the register types
 defmt = ["dep:defmt"]
+
+[package.metadata.docs.rs]
+targets = ["armv7r-none-eabihf", "armv7r-none-eabi", "armv7a-none-eabihf"]

cortex-r-rt/Cargo.toml

@@ -33,3 +33,6 @@ eabi-fpu = []
 
 [build-dependencies]
 arm-targets = {version = "0.1.0", path = "../arm-targets"}
+
+[package.metadata.docs.rs]
+targets = ["armv7r-none-eabihf", "armv7r-none-eabihf"]