tree 9234020fe1476a0d917547b550fa03e2cec76105
parent ead1f767fa3ac5b6f94296547a714e157370e8f9
author Samuel Mendoza-Jonas <sam@mendozajonas.com> 1504054898 +1000
committer Samuel Mendoza-Jonas <sam@mendozajonas.com> 1504066923 +1000

libflash: Set SKIBOOT_VERSION for host-libflash

The recent change to install host-pflash can cause the build to fail
since PFLASH_VERSION is not set:

version.c:1:2: error: #error You need to set PFLASH_VERSION environment variable
 #error You need to set PFLASH_VERSION environment variable
  ^
rules.mk:39: recipe for target 'version.o' failed

PFLASH_VERSION is set from SKIBOOT_VERSION, add it to the build command
as we do for normal libflash build command.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>