xtensa: sqlite requires special compiler option

Some of the generated object files are too large for PC-relative addressing,
so use the -mtext-section-literals compiler flag to move symbols closer to
the code.

[Peter: fix commit message]
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/sqlite/sqlite.mk

@@ -33,6 +33,10 @@ ifeq ($(BR2_PACKAGE_SQLITE_SECURE_DELETE),y)
 SQLITE_CFLAGS += -DSQLITE_SECURE_DELETE
 endif
 
+ifeq ($(BR2_xtensa),y)
+SQLITE_CFLAGS += -mtext-section-literals
+endif
+
 SQLITE_CONF_ENV = CFLAGS="$(TARGET_CFLAGS) $(SQLITE_CFLAGS)"
 
 SQLITE_CONF_OPT = \