Linux: align pointers on 64bit

__param_start and __param end need to be 8 byte aligned on
64bit machines. Changed linker script to 8 byte align __param
section.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

linux-configs/linuxtest/scripts/ld.script

@@ -53,7 +53,7 @@ SECTIONS
 	/*
 	 * Construction data for parameters.
 	 */
-	__param ALIGN(4): {
+	__param ALIGN(8): {
 		__param_start = .;
 		KEEP(*(__param*))
 		__param_end = .;