pkg/nimble: Note which patches were forwarded upstream

pkg/nimble/patches/0002-include.patch

@@ -3,6 +3,8 @@ From: chrysn <[email protected]>
 Date: Tue, 24 Dec 2024 02:53:56 +0100
 Subject: [PATCH] porting: Add missing include
 
+Forwarded: https://github.com/apache/mynewt-nimble/pull/1950
+
 ---
  porting/npl/riot/include/nimble/nimble_npl_os_log.h | 1 +
  1 file changed, 1 insertion(+)

pkg/nimble/patches/0004-declare-min.patch

@@ -3,6 +3,8 @@ From: chrysn <[email protected]>
 Date: Fri, 27 Dec 2024 22:48:57 +0100
 Subject: [PATCH] Consistently declare min() macro before using it
 
+Forwarded: https://github.com/apache/mynewt-nimble/pull/1950
+
 ---
  apps/blemesh/src/main.c                  | 4 ++++
  apps/blestress/src/rx_stress.c           | 4 ++++