perf: Use standard bee commands

Luckily, perf uses standard build rules, so bee is able to do everything
be itself. This way, make flags can also be specified, and for example
parallel builds are also possible.

```
[…]
[BEE] => entering bee_build() ..
[BEE] make -j PREFIX=/usr EPREFIX=/usr BINDIR=/usr/bin SBINDIR=/usr/sbin LIBEXECDIR=/usr/libexec SYSCONFDIR=/etc SHAREDSTATEDIR=/var LOCALSTATEDIR=/var LIBDIR=/usr/lib INCLUDEDIR=/usr/include DATAROOTDIR=/usr/share DATADIR=/usr/share INFODIR=/usr/share/info LOCALEDIR=/usr/share/locale MANDIR=/usr/share/man DOCDIR=/usr/share/doc/perf
  BUILD:   Doing 'make -j8' parallel build

Auto-detecting system features:
...                         dwarf: [ on  ]
...                         glibc: [ on  ]
...                          gtk2: [ on  ]
...                      libaudit: [ OFF ]
...                        libbfd: [ OFF ]
...                        libelf: [ on  ]
...                       libnuma: [ on  ]
...        numa_num_possible_cpus: [ OFF ]
...                       libperl: [ on  ]
...                     libpython: [ on  ]
...                      libslang: [ on  ]
...                     libunwind: [ OFF ]
...            libdw-dwarf-unwind: [ on  ]
...                          zlib: [ on  ]
...                          lzma: [ on  ]
...                     get_cpuid: [ on  ]
...                           bpf: [ on  ]
[…]
[BEE] => entering bee_install() ..
[BEE] make -j install PREFIX=/usr EPREFIX=/usr BINDIR=/usr/bin SBINDIR=/usr/sbin LIBEXECDIR=/usr/libexec SYSCONFDIR=/etc SHAREDSTATEDIR=/var LOCALSTATEDIR=/var LIBDIR=/usr/lib INCLUDEDIR=/usr/include DATAROOTDIR=/usr/share DATADIR=/usr/share INFODIR=/usr/share/info LOCALEDIR=/usr/share/locale MANDIR=/usr/share/man DOCDIR=/usr/share/doc/perf DESTDIR=/dev/shm/bee-root/perf/perf-4.4.52-0/image
```

perf.be0

@@ -14,13 +14,13 @@ mee_configure() {
     cd ${S}/tools/perf
 }
 
-mee_build() {
-    echo "build $@"
-    make prefix=${PREFIX}
-}
-
-mee_install() {
-    echo "install $@"
-
-    make install prefix=${PREFIX} DESTDIR=${D}
-}
+#mee_build() {
+#    echo "build $@"
+#    make prefix=${PREFIX}
+#}
+
+#mee_install() {
+#    echo "install $@"
+#
+#    make install prefix=${PREFIX} DESTDIR=${D}
+#}