oprofile: Don't set HAVE_LIBBFD when not using the prebuilt toolchain

The oprofile Makefiles complain about not finding exported libbfd
includes when using a different toolchain.

Change-Id: I029d3e39f1ccfdf193e1186e631992b69f9751e5
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
oprofile: Fix build in ISO C++11 mode

Fixes macro constructs that can be confused with the new
string literals

Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>

Conflicts:
	opcontrol/opcontrol.cpp

Change-Id: I371d3f13e181d48423bbe8b18117fb2509b5127a