bsp: Add tiny config entries for intel-x86

Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

bsp/intel-x86/intel-x86-32-tiny.scc

+define KMACHINE intel-x86-32
+define KTYPE tiny
+define KARCH x86
+
+include ktypes/tiny/tiny.scc
+branch intel-x86
+
+include bsp/intel-x86/intel-x86-32.scc

bsp/intel-x86/intel-x86-64-tiny.scc

+define KMACHINE intel-x86-64
+define KTYPE tiny
+define KARCH x86
+
+include ktypes/tiny/tiny.scc
+
+include bsp/intel-x86/intel-x86-64.scc