mbrola: add mb-tl1 voice

Makefile.am

 	espeak-ng-data/mbrola_ph/ro1_phtrans \
 	espeak-ng-data/mbrola_ph/sv_phtrans \
 	espeak-ng-data/mbrola_ph/sv2_phtrans \
+	espeak-ng-data/mbrola_ph/tl1_phtrans \
 	espeak-ng-data/mbrola_ph/tr1_phtrans \
 	espeak-ng-data/mbrola_ph/us_phtrans \
 	espeak-ng-data/mbrola_ph/us3_phtrans \
 	mkdir -p espeak-ng-data/mbrola_ph
 	ESPEAK_DATA_PATH=$(PWD) src/espeak-ng --compile-mbrola=phsource/mbrola/sv2
 
+espeak-ng-data/mbrola_ph/tl1_phtrans: phsource/mbrola/tl1 src/espeak-ng
+	mkdir -p espeak-ng-data/mbrola_ph
+	ESPEAK_DATA_PATH=$(PWD) src/espeak-ng --compile-mbrola=phsource/mbrola/tl1
+
 espeak-ng-data/mbrola_ph/tr1_phtrans: phsource/mbrola/tr1 src/espeak-ng
 	mkdir -p espeak-ng-data/mbrola_ph
 	ESPEAK_DATA_PATH=$(PWD) src/espeak-ng --compile-mbrola=phsource/mbrola/tr1

docs/mbrola.md

 | `ro1`        | Romanian             | male   | `mb-ro1` | `mbrola-ro1`   |
 | `sw1`        | Swedish              | male   | `mb-sw1` | `mbrola-sw1`   |
 | `sw2`        | Swedish              | female | `mb-sw2` | `mbrola-sw2`   |
-| `tl1`        | Telugu               | female |          |                |
+| `tl1`        | Telugu               | female | `mb-tl1` |                |
 | `tr1`        | Turkish              | male   | `mb-tr1` | `mbrola-tr1`   |
 | `tr2`        | Turkish              | female | `mb-tr2` | `mbrola-tr2`   |
 | `us1`        | American English     | female | `mb-us1` | `mbrola-us1`   |

espeak-ng-data/voices/mb/mb-tl1

+name telugu-mbrola-1
+language te
+gender female
+pitch 160 260
+mbrola tl1 tl1_phtrans
+

phsource/mbrola/tl1

+0  aI  NULL  0  ai
+0  aU  NULL  0  au
+0  d.# NULL  0  dh
+0  t.# NULL  0  th
+0  a   NULL  0  a
+0  b   NULL  0  b
+0  c   NULL  0  c
+0  d   NULL  0  d
+0  e   NULL  0  e
+0  f   NULL  0  f
+0  g   NULL  0  g
+0  h   NULL  0  h
+0  i   NULL  0  i
+0  J   NULL  0  D
+0  j   NULL  0  j
+0  k   NULL  0  k
+0  l   NULL  0  l
+0  m   NULL  0  m
+0  n   NULL  0  n
+0  o   NULL  0  o
+0  p   NULL  0  p
+0  q   NULL  0  q
+0  r   NULL  0  r
+0  s   NULL  0  s
+0  t   NULL  0  t
+0  u   NULL  0  u
+0  v   NULL  0  v
+0  w   NULL  0  w
+0  x   NULL  0  x
+0  y   NULL  0  y
+0  z   NULL  0  z
+