package/openblas: bump to version v0.3.21

For change log since v0.3.20, see:
- https://github.com/xianyi/OpenBLAS/releases/tag/v0.3.21

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/openblas/openblas.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256  8495c9affc536253648e942908e88e097f2ec7753ede55aca52e5dead3029e3c  openblas-0.3.20.tar.gz
+sha256  f36ba3d7a60e7c8bcc54cd9aaa9b1223dd42eaf02c811791c37e8ca707c241ca  openblas-0.3.21.tar.gz
 sha256  190b5a9c8d9723fe958ad33916bd7346d96fab3c5ea90832bb02d854f620fcff  LICENSE

package/openblas/openblas.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-OPENBLAS_VERSION = 0.3.20
+OPENBLAS_VERSION = 0.3.21
 OPENBLAS_SITE = https://github.com/xianyi/OpenBLAS/releases/download/v$(OPENBLAS_VERSION)
 OPENBLAS_LICENSE = BSD-3-Clause
 OPENBLAS_LICENSE_FILES = LICENSE