intel: use crosscompiler readelf, instead of global

readelf(1) may not know about the i386 flavor, or not
be present at all under this name.

Change-Id: I285df1f2098200b89918a4c4d3610e6427e86e01
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/7448
Reviewed-by: Aaron Durbin <adurbin@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
AMD Trinity: Update the Trinity SMU Firmware

Change-Id: I059047390e80e084f5d7763259d918446d96931e
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/7294
Tested-by: build bot (Jenkins)
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>