kernel: crypto: armeb build rules for lib-chacha20

The lib-chacha20 library is missing build rules for big endian
ARM, and since IXP4xx is big endian ARM we need those rules to
build for IXP4xx.

Suggested-by: Tomasz Maciej Nowak <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>

package/kernel/linux/modules/crypto.mk

@@ -523,6 +523,8 @@ define KernelPackage/crypto-lib-chacha20/arm
   FILES:=$(LINUX_DIR)/arch/arm/crypto/chacha-neon.ko
 endef
 
+KernelPackage/crypto-lib-chacha20/armeb=$(KernelPackage/crypto-lib-chacha20/arm)
+
 define KernelPackage/crypto-lib-chacha20/aarch64
   KCONFIG+=CONFIG_CRYPTO_CHACHA20_NEON
   FILES+=$(LINUX_DIR)/arch/arm64/crypto/chacha-neon.ko
@@ -616,6 +618,8 @@ define KernelPackage/crypto-lib-poly1305/arm
   FILES:=$(LINUX_DIR)/arch/arm/crypto/poly1305-arm.ko
 endef
 
+KernelPackage/crypto-lib-poly1305/armeb=$(KernelPackage/crypto-lib-poly1305/arm)
+
 define KernelPackage/crypto-lib-poly1305/aarch64
   KCONFIG+=CONFIG_CRYPTO_POLY1305_NEON
   FILES:=$(LINUX_DIR)/arch/arm64/crypto/poly1305-neon.ko