Flesh out examples/nxflat build environment

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1921 42af7a65-404d-4744-a932-0658087f49c3

configs/c5471evm/Make.defs

@@ -71,6 +71,12 @@ CPICFLAGS		= $(ARCHPICFLAGS) $(CFLAGS)
 CPPFLAGS		= $(ARCHINCLUDES) $(ARCHDEFINES)
 AFLAGS			= $(CFLAGS) -D__ASSEMBLY__
 
+NXFLATLDFLAGS1		= -r -d -warn-common
+NXFLATLDFLAGS2		= $(NXFLATLDFLAGS1) \
+			  -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat.ld \
+			  -no-check-sections
+LDNXFLATFLAGS		= -e main -s 2048
+
 OBJEXT			= .o
 LIBEXT			= .a
 EXEEXT			=