nintendoswitch: Add experimental Nintendo Switch support without CRT

Bare minimal nintendo switch support using LLD

src/runtime/runtime_nintendoswitch.s

@@ -0,0 +1,45 @@
+.section .text.armGetSystemTick, "ax", %progbits
+.global  armGetSystemTick
+.type    armGetSystemTick, %function
+.align 2
+armGetSystemTick:
+    mrs x0, cntpct_el0
+    ret
+
+.section .text.nxOutputString, "ax", %progbits
+.global nxOutputString
+.type nxOutputString, %function
+.align 2
+.cfi_startproc
+nxOutputString:
+	svc 0x27
+	ret
+.cfi_endproc
+
+.section .text.exit, "ax", %progbits
+.global exit
+.type exit, %function
+.align 2
+exit:
+	svc 0x7
+	ret
+
+.section .text.setHeapSize, "ax", %progbits
+.global setHeapSize
+.type setHeapSize, %function
+.align 2
+setHeapSize:
+	str x0, [sp, #-16]!
+	svc 0x1
+	ldr x2, [sp], #16
+	str x1, [x2]
+	ret
+
+
+.section .text.sleepThread, "ax", %progbits
+.global sleepThread
+.type sleepThread, %function
+.align 2
+sleepThread:
+	svc 0xB
+	ret