dragonboard-410c: remove ACCEPT_EULA setting

dragonboard-410c: remove ACCEPT_EULA setting

Since r1032.1 the Qualcomm firmware have been released with a license that
allows redistribution. And the file is now available publicly without the need
for user to read/accept EULA. As such, we remove the constraint on meta-qcom as
well.
http://git.yoctoproject.org/cgit/cgit.cgi/meta-qcom/commit/?h=rocko&id=f99e865f8944bc5a935a87bf289d322e898413cd

Bug-AGL: SPEC-1181

Change-Id: Icbf71cce5c7f1f43fdc44c741b95fe62911064d4
Signed-off-by: Kotaro Hashimoto <Hashimoto.Kotaro@ds.MitsubishiElectric.co.jp>