[AVR] Use 1-byte alignment for all types

(avr-rust/rust-legacy-fork#63 avr-rust/rust-legacy-fork#64)

[AVR] Use 1-byte alignment for all data types
(avr-rust/rust-legacy-fork#64)

Author: gergoerdi

lib/Target/AVR/AVRTargetMachine.cpp

@@ -25,7 +25,7 @@
 
 namespace llvm {
 
-static const char *AVRDataLayout = "e-p:16:16:16-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-n8";
+static const char *AVRDataLayout = "e-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8";
 
 /// Processes a CPU name.
 static StringRef getCPU(StringRef CPU) {