package/mbedtls: security bump to version 2.28.7

- Fix CVE-2024-23170 and CVE-2024-23775
- Mbed TLS is now released under a dual Apache-2.0 OR GPL-2.0-or-later
  license. Users may choose which license they take the code under:
  https://github.com/Mbed-TLS/mbedtls/commit/f429557c5900d3b90bd10a21b228f719e80f81a2

https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-1/
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2024-01-2/
https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.6
https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.7

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 52fd4753fe64208bfc25dc8a298f067da5c4c4b4)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mbedtls/mbedtls.hash

@@ -1,4 +1,4 @@
-# From https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.4:
-sha256  849e86b626e42ded6bf67197b64aa771daa54e2a7e2868dc67e1e4711959e5e3  mbedtls-2.28.5.tar.gz
+# From https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.7:
+sha256  1df6073f0cf6a4e1953890bf5e0de2a8c7e6be50d6d6c69fa9fefcb1d14e981a  mbedtls-2.28.7.tar.gz
 # Locally calculated
-sha256  cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30  LICENSE
+sha256  9b405ef4c89342f5eae1dd828882f931747f71001cfba7d114801039b52ad09b  LICENSE

package/mbedtls/mbedtls.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-MBEDTLS_VERSION = 2.28.5
+MBEDTLS_VERSION = 2.28.7
 MBEDTLS_SITE = $(call github,ARMmbed,mbedtls,v$(MBEDTLS_VERSION))
 MBEDTLS_CONF_OPTS = \
 	-DCMAKE_C_FLAGS="$(TARGET_CFLAGS) -std=c99" \
@@ -12,7 +12,7 @@ MBEDTLS_CONF_OPTS = \
 	-DENABLE_TESTING=OFF \
 	-DMBEDTLS_FATAL_WARNINGS=OFF
 MBEDTLS_INSTALL_STAGING = YES
-MBEDTLS_LICENSE = Apache-2.0
+MBEDTLS_LICENSE = Apache-2.0 or GPL-2.0+
 MBEDTLS_LICENSE_FILES = LICENSE
 MBEDTLS_CPE_ID_VENDOR = arm
 MBEDTLS_CPE_ID_PRODUCT = mbed_tls