samsung/melius: updates

Change-Id: Ic1280f9eb348dbf338164de43fd953baf63753e0
samsung/jf-common: remove bad config item

Change-Id: I663d23d18d82b8f900c7e2d1aad9544cdf4f77e7
samsung/hlteatt: add custom buildfs support for signed partition check

Change-Id: Iea8d2a621a462da4f888b945e5fe66eb34b78f98
samsung/h-common: turn off debug mode

Change-Id: If50d3c8942dce18d325d1cb646859a84082057b0
samsung/h-common: hijack cleanup

Change-Id: Ibaf0bb47e07e3c38286abf1aa69a57719549a0a7