Changes to make libfaad compile in Rockbox. Also remove compiler warnings, use some IRAM (IRAM usage needs reviewing) and drastically reduce the stack usage

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7700 a1c6a512-1295-4272-9138-f99709370657

apps/codecs/libfaad/SOURCES

@@ -0,0 +1,35 @@
+bits.c
+cfft.c
+common.c
+decoder.c
+drc.c
+drm_dec.c
+error.c
+filtbank.c
+hcr.c
+huffman.c
+ic_predict.c
+is.c
+lt_predict.c
+mdct.c
+mp4.c
+ms.c
+output.c
+pns.c
+ps_dec.c
+ps_syntax.c
+pulse.c
+rvlc.c
+sbr_dct.c
+sbr_dec.c
+sbr_e_nf.c
+sbr_fbt.c
+sbr_hfadj.c
+sbr_hfgen.c
+sbr_huff.c
+sbr_qmf.c
+sbr_syntax.c
+sbr_tf_grid.c
+specrec.c
+syntax.c
+tns.c