sys-apps/nvme-cli: fix musl build

Closes: https://bugs.gentoo.org/829705
Signed-off-by: Sam James <[email protected]>

sys-apps/nvme-cli/files/nvme-cli-1.16-musl-limits.patch

@@ -0,0 +1,24 @@
+https://github.com/linux-nvme/nvme-cli/commit/4729b13f36d4713ce1162dc1d4425d44e1474078.patch
+https://bugs.gentoo.org/829705
+
+From: Ariadne Conill <[email protected]>
+Date: Mon, 26 Apr 2021 00:41:20 -0600
+Subject: [PATCH] nvme-rpmb: Add limits.h due to missing PATH_MAX definition
+
+Commit 21f40f38b introduced new use of PATH_MAX, but did not add the
+limits.h header.  This resulted in nvme-cli failing to build on
+ppc64le systems using the musl C library.
+
+Signed-off-by: Ariadne Conill <[email protected]>
+[dwagner: removed nvme-topology.c bits]
+Signed-off-by: Daniel Wagner <[email protected]>
+--- a/nvme-rpmb.c
++++ b/nvme-rpmb.c
+@@ -25,6 +25,7 @@
+ #include <sys/socket.h>
+ #include <linux/if_alg.h>
+ #include <linux/socket.h>
++#include <limits.h>
+
+ #include "nvme.h"
+ #include "libnvme.h"

sys-apps/nvme-cli/nvme-cli-1.16.ebuild

@@ -22,6 +22,10 @@ RDEPEND="json? ( dev-libs/json-c:= )
 DEPEND="${RDEPEND}"
 BDEPEND="virtual/pkgconfig"
 
+PATCHES=(
+	"${FILESDIR}"/${P}-musl-limits.patch
+)
+
 src_prepare() {
 	default