specification: trivial: have proper titles in ps files

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

docs/specification/img/sdb-bridge.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-bridge
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-component.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-component
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-device.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-device
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-empty.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-empty
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-integration.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-integration
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-interconnect.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-interconnect
 %%BoundingBox: 0 0 200 80
 %%EndComments
 

docs/specification/img/sdb-product.ps

 %!PS-Adobe-2.0 EPSF-1.2
 %%Creator: Alessandro Rubini
-%%Title: crap
+%%Title: sdb-product
 %%BoundingBox: 0 0 200 80
 %%EndComments