openssl: use generic support for avr32

Upstream openssl doesn't have avr32 support, and we dropped the
avr32 optimization patch some time ago.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/openssl/openssl.mk

@@ -9,9 +9,6 @@ OPENSSL_SITE:=http://www.openssl.org/source
 OPENSSL_TARGET_ARCH=generic32
 
 # Some architectures are optimized in OpenSSL
-ifeq ($(ARCH),avr32)
-OPENSSL_TARGET_ARCH=avr32
-endif
 ifeq ($(ARCH),ia64)
 OPENSSL_TARGET_ARCH=ia64
 endif