perf: add arm64 source files for unistd_64.h

kernel commit bfb713ea53c7 ("perf tools: Fix arm64 build by generating unistd_64.h")
introduces a new dependency on source files for arm64, specifically
include/uapi/asm-generic.

Build fails with:
[..]/perf/1.0/perf-1.0/scripts/Makefile.asm-headers:33: [...]/perf/1.0/perf-1.0/include/uapi/asm-generic/Kbuild: No such file or directory
make[4]: *** No rule to make target '[...]/perf/1.0/perf-1.0/include/uapi/asm-generic/Kbuild'.  Stop.

Add the directory to PERF_SRC.
Fix whitespace error while at it.

(From OE-Core rev: 7e24a0e9dd75070bff0c11c4db47a30b71afaa94)

Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/meta/recipes-kernel/perf/perf.bb b/meta/recipes-kernel/perf/perf.bb
index 0d19e1bdc2..6cc5499d8d 100644
--- a/meta/recipes-kernel/perf/perf.bb
+++ b/meta/recipes-kernel/perf/perf.bb
@@ -151,6 +151,7 @@ PERF_SRC ?= "Makefile \
              arch/arm64/tools \
              ${PERF_BPF_EVENT_SRC} \
              arch/${ARCH}/Makefile \
+             include/uapi/asm-generic/Kbuild \
 "
 
 PERF_EXTRA_LDFLAGS = ""
@@ -208,7 +209,7 @@ python copy_perf_source_from_kernel() {
 do_configure:prepend () {
     # If building a multlib based perf, the incorrect library path will be
     # detected by perf, since it triggers via: ifeq ($(ARCH),x86_64). In a 32 bit
-    # build, with a 64 bit multilib, the arch won't match and the detection of a 
+    # build, with a 64 bit multilib, the arch won't match and the detection of a
     # 64 bit build (and library) are not exected. To ensure that libraries are
     # installed to the correct location, we can use the weak assignment in the
     # config/Makefile.