qemu-amd64: update coreboot hash to 4.15

GCC 8.3.0 seems to have compilation issues, and we may as well update
to the latest coreboot release anyway.

Signed-off-by: David Hendricks <david.hendricks@gmail.com>

Author: dhendrix

examples/qemu/configs/config-qemu-amd64.json

@@ -32,47 +32,47 @@
         "label": "coreboot",
         "url": "https://review.coreboot.org/coreboot",
         "branch": "master",
-        "hash": "7014f8258e6e015fe91d6928266d10ec536e9001"
+        "hash": "cc66b56c80862a59117a4582abc8d59f092ac59c"
       },
       {
         "label": "vboot",
         "url": "https://review.coreboot.org/vboot",
-        "dest": "3rdparty/vboot",
+	"dest": "3rdparty/vboot",
         "branch": "master",
-        "hash": "48195e5878006ac2cf74cb7f02953ab06c68202d"
+	"hash": "13f601fbd4c1b128f333391e4552082594f0ff25"
       }
     ],
     "files": {
       "label": "crossgcc_tarballs",
       "dest": "util/crossgcc/tarballs",
       "filelist": [
         {
-          "url": "https://ftpmirror.gnu.org/gmp/gmp-6.2.0.tar.xz",
-          "hash": "sha256:258e6cd51b3fbdfc185c716d55f82c08aff57df0c6fbd143cf6ed561267a1526"
+          "url": "https://ftpmirror.gnu.org/gmp/gmp-6.2.1.tar.xz",
+          "hash": "sha256:fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2"
         },
         {
           "url": "https://ftpmirror.gnu.org/mpfr/mpfr-4.1.0.tar.xz",
           "hash": "sha256:0c98a3f1732ff6ca4ea690552079da9c597872d30e96ec28414ee23c95558a7f"
         },
         {
-          "url": "https://ftpmirror.gnu.org/mpc/mpc-1.2.0.tar.gz",
-          "hash": "sha256:e90f2d99553a9c19911abdb4305bf8217106a957e3994436428572c8dfe8fda6"
+          "url": "https://ftpmirror.gnu.org/mpc/mpc-1.2.1.tar.gz",
+          "hash": "sha256:17503d2c395dfcf106b622dc142683c1199431d095367c6aacba6eec30340459"
         },
         {
-          "url": "https://ftpmirror.gnu.org/binutils/binutils-2.35.1.tar.xz",
-          "hash": "sha256:3ced91db9bf01182b7e420eab68039f2083aed0a214c0424e257eae3ddee8607"
+          "url": "https://ftpmirror.gnu.org/binutils/binutils-2.37.tar.xz",
+          "hash": "sha256:820d9724f020a3e69cb337893a0b63c2db161dadcb0e06fc11dc29eb1e84a32c"
         },
         {
-          "url": "https://ftpmirror.gnu.org/gcc/gcc-8.3.0/gcc-8.3.0.tar.xz",
-          "hash": "sha256:64baadfe6cc0f4947a84cb12d7f0dfaf45bb58b7e92461639596c21e02d97d2c"
+          "url": "https://ftpmirror.gnu.org/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz",
+          "hash": "sha256:d08edc536b54c372a1010ff6619dd274c0f1603aa49212ba20f7aa2cda36fa8b"
         },
         {
           "url": "https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/nasm-2.15.05.tar.bz2",
           "hash": "sha256:3c4b8339e5ab54b1bcb2316101f8985a5da50a3f9e504d43fa6f35668bee2fd0"
         },
         {
-          "url": "https://acpica.org/sites/acpica/files/acpica-unix2-20200925.tar.gz",
-          "hash": "sha256:5cb40ff01aaf27caf639e9928bab02706c3d7bff649f16e32d48bee99208c6a2"
+          "url": "https://acpica.org/sites/acpica/files/acpica-unix2-20210331.tar.gz",
+          "hash": "sha256:3dab326c262d4f3eaf380bbbbd7aa8c2eb5f2697f7821659222cf898d8be28c1"
         }
       ]
     }