libgcrypt: allow optimization

Drop the --disable-optimization option, which makes the libgcrypt configure
remove buildroot's optimization setting passed in from CFLAGS.

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libgcrypt/libgcrypt.mk

@@ -16,7 +16,6 @@ LIBGCRYPT_CONFIG_SCRIPTS = libgcrypt-config
 LIBGCRYPT_CONF_ENV = \
 	ac_cv_sys_symbol_underscore=no
 LIBGCRYPT_CONF_OPTS = \
-	--disable-optimization \
 	--with-gpg-error-prefix=$(STAGING_DIR)/usr
 
 # Code doesn't build in thumb mode