rocksdb: Fix build with ppc64/musl

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-dbs/rocksdb/files/ppc64.patch

@@ -0,0 +1,28 @@
+implement support for musl/ppc64
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h
++++ b/utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h
+@@ -58,7 +58,7 @@ Copyright (c) 2006, 2015, Percona and/or
+ #include <stdint.h>
+ #include <sys/time.h>
+ #include <time.h>
+-#if defined(__powerpc__)
++#if defined(__powerpc__) && defined(__GLIBC__)
+ #include <sys/platform/ppc.h>
+ #endif
+ 
+@@ -131,8 +131,12 @@ static inline tokutime_t toku_time_now(v
+   uint64_t result;
+   __asm __volatile__("mrs %[rt], cntvct_el0" : [ rt ] "=r"(result));
+   return result;
+-#elif defined(__powerpc__)
++#elif defined(__powerpc__) && defined(__GLIBC__)
+   return __ppc_get_timebase();
++#elif defined(__powerpc64__) || defined(__ppc64__)
++  uint64_t result;
++  asm volatile("mfspr %0, 268" : "=r"(result));
++  return result;
+ #elif defined(__riscv) // RISC-V
+ #if __riscv_xlen == 32
+   uint32_t lo, hi0, hi1;

meta-oe/recipes-dbs/rocksdb/rocksdb_6.20.3.bb

@@ -15,6 +15,7 @@ SRC_URI = "git://github.com/facebook/${BPN}.git;branch=${SRCBRANCH} \
            file://0001-folly-Use-SYS_futex-for-syscall.patch \
            file://0001-jemalloc_helper-Limit-the-mm_malloc.h-hack-to-glibc-.patch \
            file://0001-range_tree-Implement-toku_time_now-for-rv32-rv64-in-.patch \
+           file://ppc64.patch \
           "
 
 S = "${WORKDIR}/git"