Merge pull request #252 from antonblanchard/hello-world-in-8k

Reduce hello_world footprint to fit in 8kB

hello_world/hello_world.hex

@@ -513,40 +513,39 @@ a64b5a7d14004a39
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hello_world/powerpc.lds

@@ -7,7 +7,7 @@ SECTIONS
  	}
 	. = 0x1000;
 	.text : { *(.text) }
-	. = 0x2000;
+	. = 0x1800;
 	.data : { *(.data) }
 	.bss : { *(.bss) }
 }