Makefile: add rpath and install firmware

Add -add_rpath so @rpath/libkrun.dylib resolves at runtime.
Install UEFI firmware to $(PREFIX)/share/krunkit.

Assisted-by: Claude Code: opus-4.6
Signed-off-by: Jake Correnti <jakecorrenti+github@proton.me>

Author: jakecorrenti

Makefile

@@ -2,6 +2,7 @@ OS = $(shell uname -s)
 KRUNKIT_RELEASE = target/release/krunkit
 KRUNKIT_DEBUG = target/debug/krunkit
 LIBKRUN = libkrun.1.dylib
+FIRMWARE = edk2/KRUN_EFI.silent.fd
 
 PREFIX ?= /usr/local
 export PREFIX
@@ -15,7 +16,7 @@ debug: $(KRUNKIT_DEBUG)
 $(KRUNKIT_RELEASE):
 	cargo build --release
 ifeq ($(OS),Darwin)
-	install_name_tool -change $(LIBKRUN) $(PREFIX)/lib/$(LIBKRUN) $@
+	install_name_tool -change $(LIBKRUN) $(PREFIX)/lib/$(LIBKRUN) -add_rpath $(PREFIX)/lib $@
 	codesign --entitlements krunkit.entitlements --force -s - $@
 endif
 
@@ -25,6 +26,8 @@ $(KRUNKIT_DEBUG):
 install: $(KRUNKIT_RELEASE)
 	install -d $(DESTDIR)$(PREFIX)/bin
 	install -m 755 $(KRUNKIT_RELEASE) $(DESTDIR)$(PREFIX)/bin
+	install -d $(DESTDIR)$(PREFIX)/share/krunkit
+	install -m 644 $(FIRMWARE) $(DESTDIR)$(PREFIX)/share/krunkit
 
 clean:
 	cargo clean