treewide: remove obsolete references to avr32

This is a long overdue followup commit to openwrt/openwrt@5d9eeab
("build: remove obsolete references to cris and avr32")

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

libs/fftw3/Makefile

@@ -24,7 +24,7 @@ include $(INCLUDE_DIR)/package.mk
 define Package/fftw3
   SECTION:=libs
   CATEGORY:=Libraries
-  DEPENDS:=@!avr32 +libpthread
+  DEPENDS:=+libpthread
   VARIANT:=double
   TITLE:=Fast Fourier transform library
   URL:=http://www.fftw.org/

libs/libdnet/patches/001-compile.patch

@@ -1,20 +0,0 @@
---- a/config/config.sub
-+++ b/config/config.sub
-@@ -228,7 +228,7 @@ case $basic_machine in
- 	| a29k \
- 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
- 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
--	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
-+	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
- 	| c4x | clipper \
- 	| d10v | d30v | dlx | dsp16xx \
- 	| fr30 | frv \
-@@ -290,7 +290,7 @@ case $basic_machine in
- 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
- 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
- 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
--	| avr-* \
-+	| avr-* | avr32-* \
- 	| bs2000-* \
- 	| c[123]* | c30-* | [cjt]90-* | c54x-* \
- 	| clipper-* | cydra-* \

libs/libsndfile/Makefile

@@ -29,7 +29,6 @@ define Package/libsndfile
   TITLE:=Library for reading/writing audio files
   URL:=http://www.mega-nerd.com/libsndfile/
   MAINTAINER:=Peter Wagner <tripolar@gmx.at>
-  DEPENDS:=@!avr32
 endef
 
 define Package/libsndfile/description