x230: update seabios to 1.11.2

seabios has tagged a release and it's up at coreboot for review in be
included. We'll definitely have it in our next release.

x230/NEWS

@@ -1,4 +1,10 @@
 
+skulls-x230 0.0.8 - tbd
+---------------------------------------
+This release includes the following changes:
+* update SeaBIOS to version 1.11.2
+
+
 skulls-x230 0.0.7 - released 2018-06-18
 ---------------------------------------
 This release includes the following changes:

x230/README.md

@@ -7,7 +7,7 @@
 Get it from our [release page](https://github.com/merge/coreboot-x230/releases)
 * __coreboot__: We take coreboot's master branch at the time we build a release image.
 * __microcode update__: revision `1f` from 2018-02-07 see package [20180312](https://downloadcenter.intel.com/download/27591) under [Intel's license](LICENSE.microcode)
-* __SeaBIOS__: version [1.11.1](https://seabios.org/Releases) from 2018-03-19
+* __SeaBIOS__: version [1.11.2](https://seabios.org/Releases) from 2018-06-02
 * The only proprietary binary, the VGA BIOS is executed in "secure" mode ([PCI_OPTION_ROM_RUN_YABEL](https://www.coreboot.org/Coreboot_Options))
 
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