Keep trailing newline in remote execution output

* lib/rsh.exp (rsh_exec): Don't remove trailing newline.
	* lib/ssh.exp (rsh_exec): Likewise.

lib/rsh.exp

@@ -283,8 +283,5 @@ proc rsh_exec { boardname program pargs inp outp } {
 	return [list -1 "Couldn't parse $RSH output, $output."]
     }
     regsub "XYZ(\[0-9\]*)ZYX\n?" $output "" output
-    # Delete one trailing \n because that is what `exec' will do and we want
-    # to behave identical to it.
-    regsub "\n$" $output "" output
     return [list [expr {$status != 0}] $output]
 }

lib/ssh.exp

@@ -194,9 +194,6 @@ proc ssh_exec { boardname program pargs inp outp } {
 	return [list -1 "Couldn't parse $SSH output, $output."]
     }
     regsub "XYZ(\[0-9\]*)ZYX\n?" $output "" output
-    # Delete one trailing \n because that is what `exec' will do and we want
-    # to behave identical to it.
-    regsub "\n$" $output "" output
     return [list [expr {$status != 0}] $output]
 }