crypto: poly1305 - cleanup stray CRYPTO_LIB_POLY1305_RSIZE

When CRYPTO_LIB_POLY1305 is unset, CRYPTO_LIB_POLY1305_RSIZE
is still set in the Kconfig, cluttering things.

Fix this by making CRYPTO_LIB_POLY1305_RSIZE depend on
CRYPTO_LIB_POLY1305.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

lib/crypto/Kconfig

@@ -85,6 +85,7 @@ config CRYPTO_LIB_POLY1305_RSIZE
 	default 11 if X86_64
 	default 9 if ARM || ARM64
 	default 1
+	depends on CRYPTO_LIB_POLY1305
 
 config CRYPTO_ARCH_HAVE_LIB_POLY1305
 	tristate