Add rust config for BR2_cortex_a76

Signed-off-by: falkTX <falktx@falktx.com>

Author: falkTX

plugins-dep/package/mod-plugin-builder/mod-plugin-builder.mk

@@ -16,6 +16,9 @@ MOD_PLUGIN_BUILDER_RUST_TARGET = armv7-unknown-linux-gnueabihf
 else ifdef BR2_cortex_a35
 MOD_PLUGIN_BUILDER_RUST_FLAGS = ["-Ctarget-cpu=cortex-a35","-Ctarget-feature=+a35,-fix-cortex-a53-835769,+neon,+fp-armv8","-Clink-args=--sysroot=$(STAGING_DIR)"]
 MOD_PLUGIN_BUILDER_RUST_TARGET = aarch64-unknown-linux-gnu
+else ifdef BR2_cortex_a76
+MOD_PLUGIN_BUILDER_RUST_FLAGS = ["-Ctarget-cpu=cortex-a76","-Ctarget-feature=+neon,+fp-armv8","-Clink-args=--sysroot=$(STAGING_DIR)"]
+MOD_PLUGIN_BUILDER_RUST_TARGET = aarch64-unknown-linux-gnu
 else ifdef BR2_aarch64
 MOD_PLUGIN_BUILDER_RUST_FLAGS = ["-Ctarget-cpu=cortex-a53","-Ctarget-feature=+a53,+fix-cortex-a53-835769,+neon,+fp-armv8","-Clink-args=--sysroot=$(STAGING_DIR)"]
 MOD_PLUGIN_BUILDER_RUST_TARGET = aarch64-unknown-linux-gnu