Use qemu-arm rather than the non-existant qemu-armhf for emulating arm on x86

Author: kristjanvalur

.travis.yml

@@ -15,4 +15,4 @@ jobs:
         - sudo apt install -y qemu-user
       env: 
         - PLATFORM_PREFIX=arm-linux-gnueabi-
-        - EMULATOR=qemu-armhf
+        - EMULATOR=qemu-arm

README.md

@@ -132,7 +132,7 @@ platforms may need to be done independently.
  - install __gcc-arm-linux-gnueabi__ and __g++-arm-linux-gnueabi__
  - install __qemu-user__ for hardware emulation 
  - *compile* **gen_asm.c** using `arm-linux-gnueabi-gcc`
- - *make* using  `make PLATFORM_PREFIX=arm-linux-gnueabi- EMULATOR=qemu-armhf test`
+ - *make* using  `make PLATFORM_PREFIX=arm-linux-gnueabi- EMULATOR=qemu-arm test`
 
 ### Cross compiling for Arm64 on Linux
  - install **gcc-aarch64-linux-gnu** and **g++-aarch64-linux-gnu**