node: update to v4.4.4

While we're at it, also enable parallel builds.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

lang/node/patches/001-hardfloat.patch

@@ -0,0 +1,12 @@
+diff --git a/deps/v8/src/base/cpu.cc b/deps/v8/src/base/cpu.cc
+index 4f58720..1f3071e 100644
+--- a/deps/v8/src/base/cpu.cc
++++ b/deps/v8/src/base/cpu.cc
+@@ -143,6 +143,7 @@ int __detect_fp64_mode(void) {
+       ".set push\n\t"
+       ".set noreorder\n\t"
+       ".set oddspreg\n\t"
++      ".set hardfloat\n\t"
+       "lui $t0, 0x3FF0\n\t"
+       "ldc1 $f0, %0\n\t"
+       "mtc1 $t0, $f1\n\t"