package/mbedtls: bump to version 2.28.4

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 7dc2462a8e511629e1ea300f32aa43ee1ec74fa1)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mbedtls/mbedtls.hash

@@ -1,4 +1,4 @@
-# From https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.3:
-sha256  bdf7c5bbdc338da3edad89b2885d4f8668f9a6fffeba6ec17a60333e36dade6f  mbedtls-2.28.3.tar.gz
+# From https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.4:
+sha256  578c4dcd15bbff3f5cd56aa07cd4f850fc733634e3d5947be4f7157d5bfd81ac  mbedtls-2.28.4.tar.gz
 # Locally calculated
 sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE

package/mbedtls/mbedtls.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MBEDTLS_VERSION = 2.28.3
+MBEDTLS_VERSION = 2.28.4
 MBEDTLS_SITE = $(call github,ARMmbed,mbedtls,v$(MBEDTLS_VERSION))
 MBEDTLS_CONF_OPTS = \
 	-DCMAKE_C_FLAGS="$(TARGET_CFLAGS) -std=c99" \