core/minute-ia: update linker script for coreboot toolchain
core/minute-ia: update linker script for coreboot toolchain

when using the coreboot toolchain, only C-line commends are allowed in
linker scripts, so just fix the syntax.

BUG=b:118355015
BRANCH=none
TEST=tested in combination of a bunch of other patches to get
	atlas_ish to build with the coreboot toolchain

Change-Id: I75094909d92eefade6d1756a06094dd537c5ce09
Signed-off-by: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1297040
Commit-Ready: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@google.com>
Tested-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-by: Patrick Georgi <bc411205f21846a74924ee7b489c75617ec76078@chromium.org>
Reviewed-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec