all: Update extmod, ports, examples to build with new berkeley-db lib.

This provides a MicroPython-specific berkeley-db configuration in
extmod/berkeley-db/berkeley_db_config_port.h, and cleans up the include
path for this library.

Fixes issue #13092.

Signed-off-by: Damien George <damien@micropython.org>

extmod/berkeley-db/berkeley_db_config_port.h

@@ -0,0 +1,16 @@
+// Berkeley-db configuration.
+
+#define __DBINTERFACE_PRIVATE 1
+#define mpool_error printf
+#define abort abort_
+#define virt_fd_t void*
+
+#ifdef MICROPY_BERKELEY_DB_DEFPSIZE
+#define DEFPSIZE MICROPY_BERKELEY_DB_DEFPSIZE
+#endif
+
+#ifdef MICROPY_BERKELEY_DB_MINCACHE
+#define MINCACHE MICROPY_BERKELEY_DB_MINCACHE
+#endif
+
+__attribute__((noreturn)) void abort_(void);