treewide: replace PKG_USE_MIPS16:=0 with PKG_BUILD_FLAGS:=no-mips16

Keep backwards compatibility via PKG_USE_MIPS16 for now, as this is
used in all package feeds.

Signed-off-by: Andre Heider <a.heider@gmail.com>

package/utils/px5g-mbedtls/Makefile

@@ -11,7 +11,7 @@ PKG_NAME:=px5g-mbedtls
 PKG_RELEASE:=9
 PKG_LICENSE:=LGPL-2.1
 
-PKG_USE_MIPS16:=0
+PKG_BUILD_FLAGS:=no-mips16
 
 PKG_MAINTAINER:=Jo-Philipp Wich <jo@mein.io>
 

package/utils/px5g-wolfssl/Makefile

@@ -8,7 +8,7 @@ PKG_NAME:=px5g-wolfssl
 PKG_RELEASE:=$(COMMITCOUNT).2
 PKG_LICENSE:=GPL-2.0-or-later
 
-PKG_USE_MIPS16:=0
+PKG_BUILD_FLAGS:=no-mips16
 
 PKG_MAINTAINER:=Paul Spooren <mail@aparcar.org>