package/flashrom: remove dmidecode dependency

flashrom uses its own internal DMI decoder since version 0.9.8 and
https://github.com/flashrom/flashrom/commit/4c6d3a4b732732eb20bfb0fc9d857abaa4c41c88

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 7edb1e1c29a86df017586ca31952ffb9386014c5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/flashrom/Config.in

@@ -6,8 +6,6 @@ config BR2_PACKAGE_FLASHROM
 	select BR2_PACKAGE_LIBUSB
 	select BR2_PACKAGE_LIBUSB_COMPAT
 	select BR2_PACKAGE_LIBFTDI
-	# dmidecode is only a runtime dependency
-	select BR2_PACKAGE_DMIDECODE
 	help
 	  flashrom is a utility for identifying, reading, writing,
 	  verifying and erasing flash chips. It is designed to flash